Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12119196 | Temperature sensitive pellet-type thermal fuse | Tokihiro Yoshikawa, Eigo Kishi | 2024-10-15 |
| 11062869 | Temperature sensitive pellet type thermal fuse | Eigo Kishi, Akira Nakanishi, Tokihiro Yoshikawa | 2021-07-13 |
| 6687361 | Electronic exchange and key telephone system | Masashi Ishida, Katsunori Utsumi, Nobuhiro Masaki | 2004-02-03 |
| 4969057 | Floppy disc drive apparatus for preventing absorption between a head and a floppy disc | Shunji Inomata, Hideyasu Mori | 1990-11-06 |
| 4852158 | Telephone system allowing hold releasing request from central office line | Masayuki Tsurusaki, Hiroshi Mano, Hideyasu Mori | 1989-07-25 |