Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869623 | Method of broaching outer periphery of lobe-type rotor of roots-type fluid machine, and broaching cutter used in the method | Hajime Takeshita, Takahiro Iwase, Naofumi Masuda, Takuo Sibata, Nobuo Kobayashi +2 more | 1989-09-26 |
| 4806388 | Method and apparatus for coating metal part with synthetic resin | Nobuo Kobayashi, Shigenori Tamaki, Takahiro Iwase, Naofumi Masuda, Yoshio Taguchi | 1989-02-21 |
| 4764098 | Roots type pump with pin connection for plastic coated rotor | Takahiro Iwase, Shigenori Tamaki, Nobuo Kobayashi, Naofumi Masuda, Katsuro Harada | 1988-08-16 |
| 4717322 | Roots-type fluid machine | Naofumi Masuda, Hajime Takeshita, Takahiro Iwase, Takuo Sibata, Takashi Miyake +1 more | 1988-01-05 |
| 4693813 | Method of broaching outer periphery of lobe-type rotor of roots-type fluid machine, and broaching cutter used in the method | Hajime Takeshita, Takahiro Iwase, Naofumi Masuda, Takuo Sibata, Nobuo Kobayashi +2 more | 1987-09-15 |
| 4683769 | Rack guide in rack-and-pinion type steering gear | Nobuo Kobayashi, Yutaka Inuzuka, Shigeo Aiba, Setsuo Nishi | 1987-08-04 |