Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12237838 | Semiconductor device | — | 2025-02-25 |
| 10018935 | Conductive member for electrophotographic machine | Masanori Ishida, Kunio Ito, Keisuke Tokoro | 2018-07-10 |
| 5502845 | Siphon-jet flush water supply system for toilet stool | Ryosuke Hayashi, Katsuichi Irifune, Yoshiki Ohta, Takashi Yoshioka, Osamu Tsutsui +5 more | 1996-04-02 |
| 5479371 | Semiconductor memory device | — | 1995-12-26 |
| 5276369 | Sense amplifier circuit having a bias current control means | Shigeyuki Hayakawa | 1994-01-04 |
| 4959560 | Error preventing circuit | — | 1990-09-25 |
| 4959562 | Error prevention circuit with capacitive means | — | 1990-09-25 |
| 4933905 | Semiconductor memory device for reducing power dissipation during a write operation | — | 1990-06-12 |
| 4931994 | Static semiconductor memory with section and block sense amplifiers | Masataka Matsui, Jun Tsujimoto, Mitsuo Isobe | 1990-06-05 |
| 4931998 | Semiconductor memory device which can suppress operation error due to power supply noise | Masataka Matsui | 1990-06-05 |
| 4879686 | Semiconductor memory device with a data clear circuit | Azuma Suzuki, Mitsuo Isobe | 1989-11-07 |