Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11957188 | Wearable device, and sensor device | Hiroto Matsuoka, Kei Kuwabara, Yuki Hashimoto, Takako Ishihara | 2024-04-16 |
| 11672462 | Measurement control apparatus and measurement control method | Yuki Hashimoto, Kei Kuwabara | 2023-06-13 |
| 11529087 | Anaerobic threshold estimation method and device | Yuichi Higuchi, Hiroyoshi Togo | 2022-12-20 |
| 11406309 | Heartbeat rate calculation device and method | Rieko Sato, Kei Kuwabara, Takayuki Ogasawara | 2022-08-09 |
| 11363969 | Exercise intensity estimation method, exercise intensity estimation device, and program | Yuichi Higuchi, Hiroyoshi Togo | 2022-06-21 |
| 11324435 | Heartbeat detection method and heartbeat detection device | Kei Kuwabara, Takayuki Ogasawara, Ryoichi Kasahara, Koji Fujii | 2022-05-10 |
| 11234613 | Respiration estimation method and apparatus | Takayuki Ogasawara, Takurou Tajima, Kei Kuwabara, Ryoichi Kasahara | 2022-02-01 |
| 11076793 | Respiration estimation method and apparatus | Takayuki Ogasawara, Takuro Tajima, Kei Kuwabara, Ryoichi Kasahara | 2021-08-03 |
| 10945623 | Heartbeat detection method and heartbeat detection device | Kei Kuwabara, Takayuki Ogasawara | 2021-03-16 |
| 10918302 | Biological signal processing method and biological signal processing apparatus | Takayuki Ogasawara, Kei Kuwabara | 2021-02-16 |
| 10881315 | Biological signal measurement system, biological information measurement apparatus, and biological information extraction algorithm changing method | Kei Kuwabara, Takayuki Ogasawara, Michiko Seyama, Hiroshi Koizumi, Ryusuke Kawano +7 more | 2021-01-05 |
| 10750969 | Heartbeat detection method and heartbeat detection device | Kei Kuwabara, Kazuhiko Takagahara, Ryusuke Kawano, Hiroshi Koizumi | 2020-08-25 |
| 10172531 | Heartbeat detection method and heartbeat detection device | Kei Kuwabara, Kazuhiko Takagahara, Ryusuke Kawano, Hiroshi Koizumi | 2019-01-08 |
| 10114032 | Blood coagulation test method | Suzuyo Inoue, Katsuyoshi Hayashi, Yuzuru Iwasaki, Tsutomu Horiuchi, Emi Tamechika | 2018-10-30 |
| 9945773 | Flow cell and liquid feed system | Katsuyoshi Hayashi, Yuzuru Iwasaki, Suzuyo Inoue, Tsutomu Horiuchi, Emi Tamechika | 2018-04-17 |
| 8699832 | Optical switch | Koichi Hadama, Etsu Hashimoto, Yuzo Ishii, Mitsuo Usui, Tohru Matsuura +2 more | 2014-04-15 |
| 8532087 | Optical network, optical edge router, program thereof, cut through method, and edge router | Hisashi Kojima, Takashi Kurimoto, Ichiro Inoue, Tomonori Takeda, Takashi Miyamura +3 more | 2013-09-10 |
| 8364822 | VPN communication control device, communication control method in VPN, and virtual dedicated network management device | Tomonori Takeda, Ichiro Inoue, Hisashi Kojima, Kaori Shimizu | 2013-01-29 |
| 7797444 | Data transfer apparatus and data transfer system | Keisuke Kabashima, Michihiro Aoki, Takashi Kurimoto, Takashi Miyamura, Masahiro Goshima +1 more | 2010-09-14 |
| 7289730 | Optical path communication network, node, and optical path setup method | Naoaki Yamanaka, Wataru Imajuku, Eiji Oki | 2007-10-30 |
| 4366598 | Hinge structure | Hayathugu Harasaki | 1983-01-04 |