Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839457 | Developing composition and a sheet for pressure-sensitive copy paper | Yukio Saitoh | 1989-06-13 |
| 4767616 | Resin compositions having hair-conditioning property | Ikuo Kubota, Kanji Narazaki | 1988-08-30 |
| 4741969 | Aqueous ink recording sheet | Akira Yamashita | 1988-05-03 |
| 4725492 | Composite heat-insulating material | Takao Yazaki, Kazuhide Hattori, Satoru Hattori, Isao Itoh | 1988-02-16 |
| 4698395 | Process of purifying maleic anhydride-modified polyolefin | Takayuki Inoue, Masafumi Hattori, Riichiro Maruta | 1987-10-06 |
| 4659618 | Composite molded product | Takao Yazaki, Satoru Hattori, Kazuhide Hattori, Takumi MATSUNO, Nobuhiro Shibuya +1 more | 1987-04-21 |
| 4567097 | Composite heat-insulating material | Takao Yazaki, Kazuhide Hattori, Takumi MATSUNO, Isao Ito, Yukio Saito | 1986-01-28 |
| 4564560 | Recording sheets for water base ink and process for making the same | Hideki Tani, Makoto Arai, Takayuki Sasaki, Akira Yamashita | 1986-01-14 |
| 4500597 | Composite heat-insulating material and process for the production thereof | Takao Yazaki, Kazuhide Hattori, Satoru Hattori, Isao Itoh | 1985-02-19 |
| 4358567 | Resins for hairdressings | Kanji Narazaki | 1982-11-09 |