Issued Patents All Time
Showing 51–64 of 64 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4939551 | Cleaning device for electrophotographic copying machines | Mitsuaki Hashiyama, Atsushi Inoue | 1990-07-03 |
| 4869516 | Steel laminate gaskets | Tsunekazu Udagawa, Yasuji Hiramatsu, Hidetaka Nakasone | 1989-09-26 |
| 4869515 | Metal plate with reinforced beads for a metal gasket | Tatsuro Uchida | 1989-09-26 |
| 4823161 | Cleaning blade for electrophotographic copying machines or the like | Mitsuaki Hashiyama | 1989-04-18 |
| 4809653 | Steel laminate type cylinder head gasket | Tsunekazu Udagawa | 1989-03-07 |
| 4803965 | Steel laminate type cylinder head gasket | Tsunekazu Udagawa | 1989-02-14 |
| 4776601 | Steel laminate gasket with positioning device | — | 1988-10-11 |
| 4739999 | Steel laminate gasket | Mitsuru Ishii | 1988-04-26 |
| 4732959 | Polyesterpolyol derivative and a poly(urethane)ureamide obtained therefrom | Kozo Otani | 1988-03-22 |
| 4648607 | Steel laminate gasket with assembly order identification device | Hidetaka Nakasone | 1987-03-10 |
| 4547423 | Textile for clothes | Akira Kojima, Saburo Yoshida, Seiji Shioda, Kazumi Isoshima | 1985-10-15 |
| 4537945 | Polyether derivative and a poly(urethane)ureamide obtained therefrom | Kozo Otani | 1985-08-27 |
| 4515981 | Polyetherpolyol derivative and process for preparing the same | Kozo Otani | 1985-05-07 |
| 4504648 | Polyurethaneurea and process for preparing the same | Kozo Otani, Hiroyuki Okumura | 1985-03-12 |