Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696567 | Liquid crystal display device with phase difference plate having particular .DELTA.nxd perpendicular to surface over .DELTA.nxd at 45.degree. angle to surface | Hiroshi Wada | 1997-12-09 |
| 5426524 | Liquid crystal display with phase difference plate having particular .DELTA . .DELTA.nxd at 45.degree. angle to surface | Hiroshi Wada | 1995-06-20 |
| 5303075 | Liquid crystal display with phase difference plate having particular .DELTA . .DELTA.nxd at 45.degree. angle to surface | Hiroshi Wada | 1994-04-12 |
| 5302276 | Electrochemical element | Nobuhide Kato, Toshihiko Suzuki | 1994-04-12 |
| 5028309 | Electrochemical device incorporating means for preventing reduction of solid electrolyte and insulating ceramics due to heater current leakage | Yoshihiko Mizutani, Kazuyoshi Shibata | 1991-07-02 |
| 4952903 | Ceramic heater having portions connecting heat-generating portion and lead portions | Kazuyoshi Shibata | 1990-08-28 |
| 4927517 | NOx sensor having catalyst for decomposing NOx | Yoshihiko Mizutani | 1990-05-22 |
| 4859307 | Electrochemical gas sensor, and method for manufacturing the same | Kazuyoshi Shibata | 1989-08-22 |
| 4814059 | Electrochemical device having a heater and leak protection electrode | Kazuyoshi Shibata | 1989-03-21 |
| 4795544 | Electrochemical gas sensor | Kazuyoshi Shibata | 1989-01-03 |
| 4645572 | Method of determining concentration of a component in gases and electrochemical device suitable for practicing the method | Yoshihiko Mizutani | 1987-02-24 |
| 4639305 | Electrochemical element | Kazuyoshi Shibata | 1987-01-27 |
| 4634514 | Electrochemical apparatus and method of manufacturing the same | Kazuyoshi Shibata | 1987-01-06 |
| 4532118 | Process for removal of hydrogen sulfide from gases | Tadaaki Tajiri | 1985-07-30 |