Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12429497 | Manufacturing method of semiconductor device and test socket for use in the same | — | 2025-09-30 |
| 11860225 | Method of manufacturing semiconductor device | Fukumi Unokuchi | 2024-01-02 |
| 11740259 | Method of manufacturing semiconductor device | — | 2023-08-29 |
| 10551432 | Method of manufacturing semiconductor device | Naohiro Makihira, Hidekazu Iwasaki, Jun Matsuhashi | 2020-02-04 |
| 10109568 | Semiconductor device manufacturing method and semiconductor device | Jun Matsuhashi, Naohiro Makihira, Hidekazu Iwasaki | 2018-10-23 |
| 9945903 | Semiconductor device manufacturing method | Naohiro Makihira, Hidekazu Iwasaki, Jun Matsuhashi | 2018-04-17 |
| 9905482 | Method of manufacturing a semiconductor device and inspecting an electrical characteristic thereof using test socket terminals | Naohiro Makihira, Hidekazu Iwasaki, Jun Matsuhashi | 2018-02-27 |
| 9761501 | Method of manufacturing a semiconductor device and inspecting an electrical characteristic thereof using socket terminals | Naohiro Makihira, Hidekazu Iwasaki, Jun Matsuhashi | 2017-09-12 |
| 9515000 | Method for manufacturing semiconductor device | Naohiro Makihira, Hidekazu Iwasaki, Jun Matsuhashi | 2016-12-06 |
| 5174793 | Method of enhancing plant growth using light levels lower than photo saturation intensity | Akira Ikeda, Shigeki Nakayama, Kenji Ezaki | 1992-12-29 |
| 4985224 | Process for making silicon nitride whisker | Isao Imai, Kouichi Sueyoshi | 1991-01-15 |
| 4975260 | Process for preparing metal nitride powder | Isao Imai, Kouichi Sueyoshi, Toshiyuki Hirao | 1990-12-04 |
| 4817332 | Method of enhancing plant growth and apparatus for performing the same | Akira Ikeda, Shigeki Nakayama, Kenji Ezaki, Isao Itakura | 1989-04-04 |
| 4763514 | Monitoring equipment for dissolved gas in insulating oil | Sadao Naito, Katsumi Shiono, Hideo Shinohara, Yoshihiro Makino | 1988-08-16 |
| 4617755 | Apparatus for plant cultivation | Akira Ikeda, Shigeki Nakayama, Isao Itakura | 1986-10-21 |
| 4310487 | Automatic analyzer for combustible gas in oil | Mitsuhiro Yamada, Hirokazu Katayama, Yoshihiro Makino, Masashi Kamio | 1982-01-12 |