Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5324088 | Suspension apparatus | Takayoshi Ishikawa | 1994-06-28 |
| D347623 | Air circuit breaker | Masakatsu Suzuki, Fumiyuki Hisatsune, Takayoshi Ishikawa, Yasushi Genba, Kouhei Fujiwara +2 more | 1994-06-07 |