Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7888173 | Semiconductor device manufacturing method | Yoshinari Ikeda | 2011-02-15 |
| 5721562 | Electroluminescent display device including a columnar crystal structure insulating film | Tomoyuki Kawashima, Hisato Kato, Kazuyoshi Shibata | 1998-02-24 |
| 5716501 | Method of producing electroluminescence emitting film | Tomoyuki Kawashima, Hisato Kato, Kazuyoshi Shibata | 1998-02-10 |
| 5660697 | Electroluminescent display device and method of manufacturing same | Tomoyuki Kawashima, Hisato Kato, Kazuyoshi Shibata | 1997-08-26 |
| 5518432 | Method for manufacturing thin-film EL device | Hisato Katou, Tomoyuki Kawashima, Kazuyoshi Shibata, Shinichi Nakamata | 1996-05-21 |
| 5500103 | Method for preparing thin film electro-luminescence element | Hisato Katou, Tomoyuki Kawashima, Shin'ichi Nakamata, Kazuyoshi Shibata | 1996-03-19 |
| 5482603 | Method of producing electroluminescence emitting film | Tomoyuki Kawashima, Hisato Kato, Kazuyoshi Shibata | 1996-01-09 |
| 5411759 | Electro-luminescence indicating panel and method of manufacture | Tomoyuki Kawashima, Hisato Kato, Kazuyoshi Shibata | 1995-05-02 |
| 5403614 | Method for making an electroluminescent element | Tomoyuki Kawashima, Hisato Kato, Kazuyoshi Shibata | 1995-04-04 |
| 4692622 | Infrared analyzer | Takafumi Fumoto | 1987-09-08 |
| 4622464 | Infrared gas analyzer | Kunio Sukigara | 1986-11-11 |
| 4335369 | Oxygen sensor | Kenichi Hara, Hideo Shiraishi | 1982-06-15 |
| 4320378 | Oxygen sensor | Kenichi Hara, Hideo Shiraishi, Shinji Kiyofuji | 1982-03-16 |