Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D926119 | Battery module | Masafumi Ebisawa, Kenji Yazawa, Kenji Shigehisa, Ryousuke Kasaya | 2021-07-27 |
| D916654 | Battery module | Masafumi Ebisawa, Kenji Yazawa, Kenji Shigehisa, Ryousuke Kasaya | 2021-04-20 |
| D887968 | Battery module | Masafumi Ebisawa, Kenji Yazawa, Kenji Shigehisa, Ryousuke Kasaya | 2020-06-23 |
| D884598 | Battery module | Masafumi Ebisawa, Kenji Yazawa, Kenji Shigehisa, Ryousuke Kasaya | 2020-05-19 |
| 10553845 | Battery module | Tatsumi Matsuo, Norio Shimizu, Masafumi Ebisawa, Shinichiro Kosugi, Masahiro Sekino | 2020-02-04 |
| 6259665 | Tilt detector for optical disk recording/reproducing apparatus | — | 2001-07-10 |
| 6181670 | Objective lens mounting apparatus and objective lens driving apparatus | — | 2001-01-30 |
| 5812517 | Optical head driver | Takahiro Kokubo | 1998-09-22 |
| 5715231 | Objective lens driving apparatus and optical head driving apparatus | Mineharu Uchiyama, Takahiro Kokubo | 1998-02-03 |
| 5388086 | Electro-magnetic actuator for driving an objective lens | Hideo Yamasaki | 1995-02-07 |
| 5319624 | Electromagnetic actuator and optical disk apparatus incorporating the same | Hideo Yamasaki | 1994-06-07 |
| 5146447 | Optical/optomagnetic disk apparatus | Masasumi Yana | 1992-09-08 |