Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12415055 | Catheter assembly and medical valve | Shota YAMAMOTO | 2025-09-16 |
| 5278857 | Indium gallium aluminum phosphide silicon doped to prevent zinc disordering | Shozo Yuge | 1994-01-11 |
| 5119387 | Semiconductor laser of visible ray region having window structure | — | 1992-06-02 |
| 5093696 | Semiconductor heterojunction device made by an epitaxial growth technique | — | 1992-03-03 |
| 4982409 | Semiconductor laser device | Naohiro Shimada | 1991-01-01 |
| 4967241 | Semiconductor light emitting device | Toshiaki Tanaka | 1990-10-30 |
| 4799228 | Transverse-mode stabilized semiconductor laser diode with slab-coupled waveguide | Hiroko Nagasaka, Gen-ichi Hatakoshi, Naohiro Shimada, Motoyuki Yamamoto, Masaki Okajima +3 more | 1989-01-17 |