Issued Patents All Time
Showing 251–261 of 261 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4687021 | Vacuum valve-sensor device | Yoji Ise, Teruo Kanno | 1987-08-18 |
| 4683048 | Method of manufacturing ion selective electrode pair | Sadao Yamada, Takeshi Takayama, Osamu Seshimoto | 1987-07-28 |
| 4672647 | Serial data transfer circuits for delayed output | Setsufumi Kamuro, Jitsuo Sakamoto | 1987-06-09 |
| 4613421 | Apparatus for measuring ionic activity | Osamu Seshimoto, Teruaki Koizumi, Yoshio Saito | 1986-09-23 |
| 4599580 | Circuit for comparing two or more frequencies | Hiroshi Shigehara, Hidemi Iseki | 1986-07-08 |
| 4591801 | Differential amplifier circuit | Eiji Masuda | 1986-05-27 |
| 4535305 | Transmission gate relaxation oscillator having comparator | Kenji Matsuo | 1985-08-13 |
| 4529897 | Analog switch device having threshold change reducing means | Yasoji Suzuki, Kenji Matsuo | 1985-07-16 |
| 4437970 | Device for determining ionic activity | Masao Kitajima, Osamu Seshimoto, Kikuo Kubotera | 1984-03-20 |
| 4374897 | Chromium oxide-based sintered bodies and process for production thereof | — | 1983-02-22 |
| 4252758 | Method of Producing a sintered chromium oxide body | — | 1981-02-24 |