Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4715437 | Heat exchanger | Hiroyoshi Tanaka, Masaaki Adachi, Yoshiyuki Tsuda, Toshiaki Ando, Humitoshi Nishiwaki | 1987-12-29 |
| 4701371 | Magnetic recording medium | Yoshinori Yamamoto | 1987-10-20 |
| 4691767 | Heat exchanger | Hiroyoshi Tanaka, Masaaki Adachi, Yoshiyuki Tsuda, Satoshi Tanno, Kaoru Kato | 1987-09-08 |
| 4625378 | Method of manufacturing fin-tube heat exchangers | Satoshi Tanno, Hachiro Koma, Yukichi Aoki, Hironori Ito, Hiroshi Yoneda | 1986-12-02 |
| 4465735 | Magnetic recording medium | Fumio Togawa | 1984-08-14 |
| 4444835 | Magnetic recording medium | Fumio Togawa | 1984-04-24 |
| 4349608 | Magnetic recording medium | Jozo Shimizu, Satoru Yamaguchi | 1982-09-14 |