Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7048666 | Silent chain power transmitting apparatus | — | 2006-05-23 |
| 5800151 | Screw rotor and method of generating tooth profile therefor | Takeshi Kawamura, Kiyoshi Yanagisawa | 1998-09-01 |
| 5697772 | Screw rotor and method of generating tooth profile therefor | Takeshi Kawamura, Kiyoshi Yanagisawa | 1997-12-16 |
| 5205679 | Rotary tool for generating bevel gears | — | 1993-04-27 |
| 4971487 | Method for cutting involute gears | — | 1990-11-20 |
| 4899609 | Gears having a tooth-profile with a smaller relative of curvature at a contact point | — | 1990-02-13 |
| 4329130 | Flow meter with helical toothed rotors having no pulsation and zero contact pressure | Koji Hotta | 1982-05-11 |
| 4224015 | Positive displacement flow meter with helical-toothed rotors | — | 1980-09-23 |