Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10413822 | Game machine and game program | Tahei Katagai | 2019-09-17 |
| 7071609 | Red phosphor for low-voltage electron beam | Hitoshi Tsuji, Satoshi Okada | 2006-07-04 |
| 6919712 | Excitation control device and excitation control method | Masaru Shimomura | 2005-07-19 |
| 6323618 | Excitation controller and excitation control method for stabilizing voltage in electric power system | Seiichi Tanaka, Masaru Shimomura | 2001-11-27 |
| 6265852 | Excitation controller and excitation control method for stabilizing voltage in electric power system | Seiichi Tanaka, Masaru Shimomura | 2001-07-24 |