Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4759805 | Aluminum conductor of low audible noise transmission | Takeshi Saito, Akira Okazato, Kozo Kounosu, Tadashi Inoue, Takanori Hita +1 more | 1988-07-26 |
| 4483751 | Process of treating a nodic oxide film, printed wiring board and process of making the same | Seizo Murayama, Kazuo Isawa, Masatsugu Maejima, Takayoshi Usuki | 1984-11-20 |
| 4230539 | Method for surface treatment of anodic oxide film | Kazuo Isawa, Masatsugu Maejima, Takao Suzuki | 1980-10-28 |