Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10668187 | Medical supplies and method of producing the same | Hiroyuki Tsuchiya, Matsufumi Takaya | 2020-06-02 |
| 9889231 | Medical supplies and method of producing the same | Hiroyuki Tsuchiya, Matsufumi Takaya | 2018-02-13 |
| 5336341 | Infrared radiation element and process of producing the same | Koichi Saruwatari, Akihito Kurosaka, Mamoru Matsuo, Hiroyoshi Gunji, Toshiki Muramatsu | 1994-08-09 |
| 4759805 | Aluminum conductor of low audible noise transmission | Kohichi Saruwatari, Takeshi Saito, Akira Okazato, Kozo Kounosu, Tadashi Inoue +1 more | 1988-07-26 |
| 4726443 | Diaphragm | Masana Ugaji, Shinichi Watanabe, Hiroyuki Sogawa, Nobuo Fuke, Koichi Saruwatari | 1988-02-23 |
| 4483751 | Process of treating a nodic oxide film, printed wiring board and process of making the same | Seizo Murayama, Kazuo Isawa, Takayoshi Usuki, Kohichi Saruwatari | 1984-11-20 |
| 4368107 | Method of surface treatment of porous material | Koichi Saruwatari, Kazuo Isawa | 1983-01-11 |
| 4230539 | Method for surface treatment of anodic oxide film | Kohichi Saruwatari, Kazuo Isawa, Takao Suzuki | 1980-10-28 |