Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11363238 | Systems and methods for healthcare facility contactless communication | — | 2022-06-14 |
| D589778 | Handle for arm-mounted video screen | — | 2009-04-07 |
| 6599095 | Pump-off control method of pump jack | Noriyuki Takada, Takayuki Yamakawa, Hidetoshi Ryu, Tetsuo Kawano, Koji Kawamoto +2 more | 2003-07-29 |
| 5938052 | Rope steadying control method and apparatus for crane or the like | Toshio Miyano, Takayuki Yamakawa, Tetsuo Kawano, Frederick C. Lach | 1999-08-17 |
| 5027049 | Method for increasing the speed of an alternating current motor | Craig D. Dewey | 1991-06-25 |
| 4953053 | Method and apparatus for detecting mechanical overload of a hoist | — | 1990-08-28 |
| 4486744 | Maximum and minimum gas flow sensor | Francis J. Thornton | 1984-12-04 |