Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5793025 | High-frequency detecting elements and high-frequency heater using the same | Yuichi Takaoka | 1998-08-11 |
| 5764470 | Rush current suppression circuit | Kenjiro Mihara, Yuichi Takaoka | 1998-06-09 |
| 5504371 | Semiconductor ceramic device having a ceramic element with negative temperature coefficient of resistance | Kenjiro Mihara, Yuichi Takaoka | 1996-04-02 |
| 5493266 | Multilayer positive temperature coefficient thermistor device | Kiyomi Sasaki | 1996-02-20 |
| 5424707 | NTC thermistor composition based on barium titanate | Terunobu Ishikawa, Yasunobu Yoneda | 1995-06-13 |
| 5294577 | Semiconductor ceramic composition for secondary electron multipliers | Hiroshi Yamamoto, Junichi Nomura, Yasunobu Yoneda | 1994-03-15 |
| 5073449 | Magnetic recording medium and method for producing the same | Noboru Isoe, Kunio Wakai, Tetsuo Mizumura | 1991-12-17 |
| 5000984 | Method of making a magnetic recording medium | Kunio Wakai, Noboru Isoe | 1991-03-19 |
| 4933797 | Arrangement for preventing entrance of harmful particles for use in a cartridge | Hikaru Mizutani, Kunio Wakai, Hideo Fujiwara, Noboru Isoe, Toshio Doi | 1990-06-12 |
| 4855175 | Magnetic recording medium and production thereof | Kunio Wakai, Noboru Isoe | 1989-08-08 |