Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6825440 | Laser beam machining method and apparatus | Kazuyoshi Ohta | 2004-11-30 |
| 4682849 | Optical fiber junction and method of making same | Nobuo Kowata | 1987-07-28 |
| 4497643 | Optical fiber junction device and method of making the same | Nobuo Kowata | 1985-02-05 |
| 4468567 | Liquid level detecting device and method for producing the same | Nobuo Kowata | 1984-08-28 |