Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4461791 | Fur-like article having pile with difference in color or fineness | Kazuo Okamoto, Takao Osagawa | 1984-07-24 |
| 4459128 | Pile articles and a method for producing the pile articles | Kazuo Okamoto, Takao Osagawa | 1984-07-10 |
| 4457973 | Conductive composite filaments and methods for producing said composite filaments | Hiroshi Naito, Kazuo Okamoto | 1984-07-03 |
| 4434631 | Apparatus for treating pile articles | Kazuo Okamoto, Takao Osagawa | 1984-03-06 |
| 4420534 | Conductive composite filaments and methods for producing said composite filaments | Hiroshi Naito, Kazuo Okamoto | 1983-12-13 |
| 4319831 | Cleaning device in a copying machine | Hiroshi Naito | 1982-03-16 |
| 4309479 | Conductive composite filaments | Tsutomu Naruse, Takao Osagawa, Hiroshi Naito, Kazuo Okamoto | 1982-01-05 |
| 4304818 | Insulation system for winding of electric rotating machines and process of production thereof | Hideyo Hirata, Takeshi Hakamada, Misao Souma, Yoshiyuki Suda, Yoshiharu Karasawa +1 more | 1981-12-08 |
| 4216264 | Conductive composite filaments | Tsutomu Naruse, Takao Osagawa, Hiroshi Naito, Kazuo Okamoto | 1980-08-05 |