Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852110 | Semiconductor laser of a refractive index-guided type and a process for fabricating the same | Hiroaki Fujii | 1989-07-25 |
| 4848431 | Pneumatic tire for high speed driving | Shinichi Mori | 1989-07-18 |
| 4818919 | Color picture tube apparatus | Hiroyuki Koba, Naoto Nakamura | 1989-04-04 |
| 4809341 | Test method and apparatus for a reticle or mask pattern used in semiconductor device fabrication | Shougo Matsui | 1989-02-28 |