Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12084948 | Method for recovering rare-earth mud, and recovery system | Eigou Miyazaki, Yoshihisa Kawamura, Ikuo Sawada, Masanori Kyo, Mikito Furuichi +1 more | 2024-09-10 |
| 8285524 | Simulation method for transistor unsuitable for existing model | Peter Lee | 2012-10-09 |
| 6230846 | Elevator apparatus with control panel located within elevator hoistway | Shigeki Yamakawa | 2001-05-15 |
| 6223860 | Control device for elevator | Tatsushi Takahashi, Shigeki Yamakawa, Takehiko Kubota | 2001-05-01 |
| 4494849 | Focus detecting device for a camera | — | 1985-01-22 |
| 4415246 | Focus detecting device | Toshihiko Karasaki, Takayuki Gotoh, Eiji Yamakawa | 1983-11-15 |