Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4319915 | Herbicidal compositions | Tetsuo Takematsu | 1982-03-16 |
| 4289937 | Speaker with fine grain ferromagnetic material on center pole or ring | Hideo Ikeda, Masaru Okada | 1981-09-15 |