Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858215 | Integrated optical disc pickup that allows variations in the wavelength of the laser beam | Seiki Yano, Haruhisa Takiguchi, Toshiki Hijikata, Shinji Kaneiwa | 1989-08-15 |
| 4852116 | Semiconductor laser device | Haruhisa Takiguchi, Shinji Kaneiwa, Toshihiko Yoshida | 1989-07-25 |
| 4849985 | Distributed feedback semiconductor laser device | Toshihiko Yoshida, Haruhisa Takiguchi, Shinji Kaneiwa | 1989-07-18 |
| 4842679 | Method for the production of semiconductor devices | Sadayoshi Matsui | 1989-06-27 |
| 4841534 | Buried type semiconductor laser device | Toshihiko Yoshida, Haruhisa Takiguchi, Shinji Kaneiwa, Sadayoshi Matsui | 1989-06-20 |
| 4839900 | Buried type semiconductor laser device | Toshihiko Yoshida, Haruhisa Takiguchi, Shinji Kaneiwa, Sadayoshi Matsui | 1989-06-13 |
| 4830599 | Molding device for molding sheet | Takeshi Okusau, Manabu Sakamoto | 1989-05-16 |
| 4805183 | Distributed feedback semiconductor laser device | Haruhisa Takiguchi, Shinji Kaneiwa, Toshihiko Yoshida | 1989-02-14 |
| 4345602 | Medical vascular guide wire and self-guilding type catheter | Hidenaga Yoshimura, Kunio Yamada, Hironori Yamada, Ryusaku Yamada | 1982-08-24 |