Sector-angle-periodic generalization of quad-mesh rigid origami and its convergence to smooth surfaces

Authors: He, Zeyuan, Hayakawa, Kentaro, Ohsaki, Makoto

Subject Terms: Mathematics - Metric Geometry

Access URL: http://arxiv.org/abs/2412.04298

Non-parametric structural shape optimization of piecewise developable surfaces using discrete differential geometry

Authors: Ohsaki, Makoto, Hayakawa, Kentaro, Zhang, Jingyao

Subject Terms: Mathematics - Optimization and Control

Access URL: http://arxiv.org/abs/2411.13843

Real and complexified configuration spaces for spherical 4-bar linkages

Authors: He, Zeyuan, Hayakawa, Kentaro, Ohsaki, Makoto

Subject Terms: Computer Science - Graphics

Access URL: http://arxiv.org/abs/2308.03765

Disuse plasticity limits spinal cord injury recovery

Authors: Morioka, Kazuhito ^{1, 2, 3}, Tazoe, Toshiki ^{2, 4}, Huie, J. Russell ¹, Hayakawa, Kentaro ^{2, 5, 6}, Okazaki, Rentaro ^{2, 5, 7}, Guandique, Cristian F. ¹, Almeida, Carlos A. ¹, Haefeli, Jenny ¹, Hamanoue, Makoto ⁸, Endoh, Takashi ^{2, 9}, Tanaka, Sakae ⁵, Bresnahan, Jacqueline C. ¹, Beattie, Michael S. ¹, Ogata, Toru ^{2, 10, 12, ∗}, Ferguson, Adam R. ^{1, 11, 12, 13, ∗∗}

Source: In iScience 18 April 2025 28(4)

Panel-point model for rigidity and flexibility analysis of rigid origami

Authors: Hayakawa, Kentaro, He, Zeyuan, Guest, Simon D.

Source: In Computational Geometry: Theory and Applications August 2024 121

Analytical and numerical investigation of second-order infinitesimal mechanism in rigid origami

Authors: Hayakawa, Kentaro, Ohba, Tomotaka, Ohsaki, Makoto

Source: In Mechanism and Machine Theory April 2024 194

Cerebrospinal Fluid Lysophosphatidylcholine Species for Distinguishing Narrowing of the Lumbar Spine

Authors: Sumitani, Masahiko, Kimura, Atsushi, Mochizuki, Takao, Akiyama, Toru, Uranbileg, Baasanjav, Takahashi, Takuya, Hirai, Takashi, Hayakawa, Kentaro, Chikuda, Hirotaka, Kurano, Makoto

Source: In World Neurosurgery March 2024 183:e571-e575

Usefulness of lysophosphatidylcholine measurement in the cerebrospinal fluid for differential diagnosis of neuropathic pain: Possible introduction into clinical laboratory testing

Authors: Kurano, Makoto, Sumitani, Masahiko, Akiyama, Yoshiyuki, Yamada, Masaki, Fujimura, Daiki, Yamaki, Satoshi, Kano, Kuniyuki, Aoki, Junken, Hayakawa, Kentaro, Takahashi, Takuya, Hirai, Takashi, Okawa, Atsushi, Kume, Haruki, Ogata, Toru, Tanaka, Sakae, Chikuda, Hirotaka, Yatomi, Yutaka

Source: In Clinica Chimica Acta 15 February 2023 541

Form generation of rigid origami for approximation of a curved surface based on mechanical property of partially rigid frames

Authors: Hayakawa, Kentaro, Ohsaki, Makoto

Source: In International Journal of Solids and Structures 1 May 2021 216:182-199

Intraosseous epidermal cyst of the great toe that was difficult to distinguish from chronic osteomyelitis: A case report and literature review

Authors: Sugimoto, Hikaru, Yasue, Kensuke, Hara, Misako, Takakuma, Shoichiro, Yumura, Wako, Arai, Tomio, Hayakawa, Kentaro, Tokimura, Fumiaki, Miyazaki, Tsuyoshi

Source: Clinical case reports. 9(4):1890-1895

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCvdc_100121117981.0x000001&indx=1&recIds=ETOCvdc_100121117981.0x000001

A case of subacute combined degeneration of the spinal cord diagnosed with difficulty due to a history of treatment for pyogenic spondylitis

Authors: Shimokawa, Yoshiki, Ishikawa, Yuki, Okawa, Teiki, Higashihara, Mana, Tokimura, Fumiaki, Miyazaki, Tsuyoshi, Hayakawa, Kentaro

Source: Clinical case reports. 11(4)

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCvdc_100185959193.0x000001&indx=1&recIds=ETOCvdc_100185959193.0x000001

Photoluminescence analysis of TlBr crystals for radiation detector applications

Authors: Hayakawa, Kentaro, Hitomi, Keitaro, Shoji, Tadayoshi, Onodera, Chikara

Source: 2009 IEEE Nuclear Science Symposium Conference Record (NSS/MIC) Nuclear Science Symposium Conference Record (NSS/MIC), 2009 IEEE. :1647-1648 Oct, 2009

Relation: 2009 IEEE Nuclear Science Symposium and Medical Imaging Conference (2009 NSS/MIC)

Lysophosphatidic acids and their substrate lysophospholipids in cerebrospinal fluid as objective biomarkers for evaluating the severity of lumbar spinal stenosis

Authors: Hayakawa, Kentaro, Kurano, Makoto, Ohya, Junichi, Oichi, Takeshi, Kano, Kuniyuki, Nishikawa, Masako, Uranbileg, Baasanjav, Kuwajima, Ken, Sumitani, Masahiko, Tanaka, Sakae, Aoki, Junken, Yatomi, Yutaka, Chikuda, Hirotaka

Source: Scientific reports. 9(1):1-9

Availability: http://explore.bl.uk/primo_library/libweb/action/display.do?tabs=detailsTab&gathStatTab=true&ct=display&fn=search&doc=ETOCvdc_100181237772.0x000001&indx=1&recIds=ETOCvdc_100181237772.0x000001

Treatment of spinal cord injury by an advanced cell transplantation technology using brain-derived neurotrophic factor-transfected mesenchymal stem cell spheroids

Authors: Uchida, Satoshi, Hayakawa, Kentaro, Ogata, Toru, Tanaka, Sakae, Kataoka, Kazunori, Itaka, Keiji

Source: In Biomaterials December 2016 109:1-11

Parametric generation of optimal structures through discrete exponential functions: unveiling connections between structural optimality and discrete isothermicity.

Authors: Hayashi, Kazuki, Jikumaru, Yoshiki, Yokosuka, Yohei, Hayakawa, Kentaro, Kajiwara, Kenji

Source: Structural & Multidisciplinary Optimization; Mar2024, Vol. 67 Issue 3, p1-14, 14p

Clinical and safety outcomes of simultaneous bilateral total knee arthroplasty for Japanese octogenarian patients: a retrospective analysis.

Authors: Kaneko, Taizo, Matsudaira, Kyoko, Nakamura, Shinya, Hayakawa, Kentaro, Tokimura, Fumiaki, Miyazaki, Tsuyoshi

Source: European Journal of Orthopaedic Surgery & Traumatology; Jan2024, Vol. 34 Issue 1, p155-160, 6p

Subject Terms: OCTOGENARIANS, TOTAL knee replacement, KNEE pain, PAIN measurement, RETROSPECTIVE studies, ACQUISITION of data, TREATMENT effectiveness, MEDICAL records, RESEARCH funding, PATIENT safety, KNEE surgery, POSTOPERATIVE pain, EVALUATION, OLD age

Geographic Terms: JAPAN

Phosphorylated neurofilament subunit levels in the serum of cervical compressive myelopathy patients

Authors: Kato, So, Chikuda, Hirotaka, Ohya, Junichi, Hayakawa, Kentaro, Takeshita, Katsushi, Tanaka, Sakae, Ogata, Toru

Source: In Journal of Clinical Neuroscience October 2015 22(10):1638-1642

Elevated levels of phosphorylated neurofilament heavy subunit in the cerebrospinal fluid of patients with lumbar spinal stenosis: preliminary findings

Authors: Ohya, Junichi, Chikuda, Hirotaka, Kato, So, Hayakawa, Kentaro, Oka, Hiroyuki, Takeshita, Katsushi, Tanaka, Sakae, Ogata, Toru

Source: In The Spine Journal 1 July 2015 15(7):1587-1592

Intrathecal injection of a therapeutic gene-containing polyplex to treat spinal cord injury

Authors: Hayakawa, Kentaro, Uchida, Satoshi, Ogata, Toru, Tanaka, Sakae, Kataoka, Kazunori, Itaka, Keiji

Source: In Journal of Controlled Release 10 January 2015 197:1-9

Preoperative incidence and risk factors of deep vein thrombosis in Japanese patients undergoing total hip arthroplasty.

Authors: Kaneko, Taizo, Nakamura, Shinya, Hayakawa, Kentaro, Tokimura, Fumiaki, Miyazaki, Tsuyoshi

Source: European Journal of Orthopaedic Surgery & Traumatology; Oct2023, Vol. 33 Issue 7, p2859-2864, 6p

Subject Terms: STATISTICS, TOTAL hip replacement, VEINS, PREOPERATIVE period, MULTIVARIATE analysis, SURGICAL complications, RETROSPECTIVE studies, VENOUS thrombosis, RISK assessment, THROMBOEMBOLISM, MALNUTRITION, QUESTIONNAIRES, RESEARCH funding, DESCRIPTIVE statistics, LOGISTIC regression analysis, DISEASE risk factors, DISEASE complications

Geographic Terms: JAPAN