Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12274170 | Thermoelectric power-generation module, wearable biological-body-sensing device, biological-body location detection system | Akihiko Ikemura, Hiroshi Tanida, Michio Okajima, Keiichi Ohata, Shintaro Izumi | 2025-04-08 |
| 12262638 | Tubular heat exchanger with thermoelectric power generation function | Keiichi Ohata, Nao MAJIMA, Akihiko Ikemura, Michio Okajima | 2025-03-25 |
| 11674733 | Cold insulation container | Akihiko Ikemura, Michio Okajima, Keiichi Ohata, Ken Nishimura | 2023-06-13 |
| 10680154 | Thermoelectric conversion module, method for producing same, thermoelectric power generation system, and method for producing same | Nobuyuki Kohtani, Michio Okajima, Keiichi Ohata | 2020-06-09 |
| 5109270 | High frequency semiconductor device | Osamu Ishikawa, Chinatsu Azuma | 1992-04-28 |
| 5041796 | Wideband amplifier using FET | Yasuhisa Yamashita, Kazuhide Goda | 1991-08-20 |
| 4883985 | Mesfet latch circuit | Shin Katsu, Akio Shimano | 1989-11-28 |
| 4782031 | Method of making GaAs MOSFET with low source resistance yet having satisfactory leakage current by ion-implantation | Masahiro Hagio, Shinichi Katsu, Kazuhide Gohda, Hiroshi Tsukada | 1988-11-01 |