Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11607781 | Tool for attaching and detaching rotary body and method for attaching and detaching rotary body | — | 2023-03-21 |
| 8984947 | Method of reproducing abnormal sound and jig | — | 2015-03-24 |
| 7615302 | Fuel cell producing method and apparatus | Ryuichiro Furukawa | 2009-11-10 |
| 4969182 | Method of telephone call wherein status data inhibits calls and indicates to the caller the reason the called subscriber is unavailable | Toko Ohtsubo, Yoshikatsu Inokuma, Masahiro Kumon | 1990-11-06 |