Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10588559 | Air-conditioning control system | Takehiko HIEI, Sayo Toramoto | 2020-03-17 |
| 10575736 | Biometric information acquisition device | Takehiko HIEI, Sayo Toramoto, Chiaki TSUBOI | 2020-03-03 |
| 10274218 | Air-conditioning control system | Takehiko HIEI, Noriyuki Okuda | 2019-04-30 |
| 8114033 | Sleep determination apparatus | Takehiko HIEI | 2012-02-14 |
| 7185504 | Air conditioner | Masaya Kasai, Sumio Shiochi, Ryuuji Akiyama | 2007-03-06 |
| 5858800 | Optical measurement method and apparatus thereof | Kenji Masuda | 1999-01-12 |
| 5811312 | Optical measurement apparatus and method therefor | Masanori Hasegawa, Tomoaki Ueda, Kenji Masuda, Masakazu Yoshida, Tomomi Sakamoto | 1998-09-22 |
| 5538691 | Reaction vessel for optical measurement | Kaori Tosa, Yoshiyuki Hama, Kouichi Yamamoto, Ryuuji Akiyama, Masakazu Yoshida +2 more | 1996-07-23 |
| 5469264 | Optical measurement apparatus | — | 1995-11-21 |
| 5102230 | Thermal environment sensor with means to estimate the wind velocity | Masahiro Kobayashi, Noboru Kobayashi | 1992-04-07 |
| 5044768 | Thermal environment sensor with means to estimate the wind velocity | Masahiro Kobayashi, Noboru Kobayashi | 1991-09-03 |