Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7020650 | Information processing system for e-mail, information processing method and program storage medium therefor | Kazumasa Sato, Tetsuya Sekiguchi | 2006-03-28 |
| 6846022 | Universal joint | — | 2005-01-25 |
| 5455971 | Water-closet bowl automatic flushing system | Shigeru Sakakibara | 1995-10-10 |
| 5109887 | Multiway valve | Shiro Saito, Mineji Kondo | 1992-05-05 |
| 4695300 | Radial flow type dust collecting filter | — | 1987-09-22 |
| 4540535 | Method for producing a ceramic filter for cleaning exhaust gases from a diesel engine | Masahiro Tomita | 1985-09-10 |
| 4535589 | Exhaust gas cleaning device for internal combustion engine | Hitoshi Yoshida, Masahiro Tomita | 1985-08-20 |
| 4528008 | Dust collecting filter | Masahiro Tomita | 1985-07-09 |
| 4523935 | Electrical heater retained in a porous ceramic structure | Masahiro Tomita | 1985-06-18 |
| 4492079 | Method and apparatus for detecting degree of clogging in particle trapping member of internal combustion engine | Nobutoshi Hayashi | 1985-01-08 |
| 4485622 | Exhaust gas cleaning device for internal combustion engine | Yukihisa Takeuchi, Shigeru Kamiya, Masahiro Tomita, Kiyohiko Oishi, Kiyoshi Kobashi | 1984-12-04 |
| 4459805 | Combustion burner apparatus | Sigeru Kamiya, Masaei Nozawa, Masahiro Tomita, Nobutoshi Hayashi | 1984-07-17 |
| 4450681 | Carbon particulates cleaning device for diesel engine | Susumu Sato, Yukihisa Takeuchi, Masahiro Tomita, Shigeru Kamiya | 1984-05-29 |
| 4450682 | Carbon particulates cleaning device for diesel engine | Susumu Sato, Yukihisa Takeuchi, Masahiro Tomita, Shigeru Kamiya | 1984-05-29 |
| 4441899 | Dust collecting filter | Masahiro Tomita | 1984-04-10 |
| 4436538 | Filter for cleaning exhaust gases from diesel engine | Masahiro Tomita | 1984-03-13 |
| 4404798 | Exhaust gas cleaning device for internal combustion engine | Yukihisa Takeuchi, Shigeru Kamiya, Masahiro Tomita, Kiyohiko Oishi, Kiyoshi Kobashi | 1983-09-20 |
| 4402655 | Vane pump with symmetrical inclined fluid confinement initiating line | Akio Nara, Hideaki Sasaya, Takao Mitsui | 1983-09-06 |
| 4386497 | Exhaust gas cleaning device for internal combustion engine | Yukihisa Takeuchi, Shigeru Kamiya, Masahiro Tomita, Kiyohiko Oishi, Kiyoshi Kobashi | 1983-06-07 |
| 4279864 | Monolithic catalyst converter | Akio Nara, Kazuma Matsui | 1981-07-21 |