Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5233211 | Semiconductor device for driving a light valve | Yutaka Hayashi, Yoshikazu Kojima, Hiroaki Takasu | 1993-08-03 |
| 5136540 | Non-volatile semiconductor memory for volatiley and non-volatiley storing information and writing method thereof | Yutaka Hayashi, Yoshikazu Kojima, Ryoji Takada | 1992-08-04 |
| 5122847 | Non-volatile semiconductor memory with CVD tunnel oxide | Yukihiro Imura, Katsuyuki Takahashi | 1992-06-16 |
| 5100698 | Method and apparatus for applying releasing agent to glass plate | Masami Nishitani | 1992-03-31 |
| 4943943 | Read-out circuit for semiconductor nonvolatile memory | Yutaka Hayashi, Yoshikazu Kojima, Kojiro Tanaka | 1990-07-24 |
| 4875011 | Magnetic sensor using integrated silicon Hall effect elements formed on the (100) plane of a silicon substrate | Masayuki Namiki, Masanori Gouda | 1989-10-17 |
| 4821236 | Semiconductor nonvolatile memory | Yutaka Hayashi, Yoshikazu Kojima, Kojiro Tanaka | 1989-04-11 |
| 4794433 | Non-volatile semiconductor memory with non-uniform gate insulator | Yoshikazu Kojima | 1988-12-27 |
| 4739264 | Magnetic sensor using a plurality of Hall effect devices | Masayuki Namiki | 1988-04-19 |
| 4639755 | Thermosensitive semiconductor device using Darlington circuit | Masayuki Namiki, Yoshikazu Kojima, Kojiro Tanaka | 1987-01-27 |
| 4622656 | Non-volatile semiconductor memory | Yoshikazu Kojima | 1986-11-11 |
| 4616340 | Non-volatile semiconductor memory | Yutaka Hayashi, Yoshikazu Kojima, Kojiro Tanaka | 1986-10-07 |
| 4395139 | Temperature detecting device | Masayuki Namiki, Yoshikazu Kojima, Kojiro Tanaka | 1983-07-26 |
| 4361797 | Constant current circuit | Yoshikazu Kojima | 1982-11-30 |