Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5061057 | Porous contact lens and method for making it | Isao Kaetsu, Yoshihide Komaki, Tsutomu Sakurai, Ryuji Arai, Yasuji Sejima +3 more | 1991-10-29 |
| 4997738 | Electrophotographic photoreceptor having silicate with perfluoroalkyl groups in protective layer | Mitsuhiro Yoshitome, Masaru Wakatabe, Masahiro Horigome, Kazuhiko Shima | 1991-03-05 |
| 4912000 | Electrophotographic photoreceptor | Isao Kaetsu, Masahiro Horigome, Tsuneo Isomura, Tomio Yoneyama, Tadaichi Murata | 1990-03-27 |
| 4904708 | Method of manufacturing soft contact lens material | Isao Kaetsu, Hidenari Suyama, Nobuo Kameda, Hideo Kouyama | 1990-02-27 |
| 4839109 | Process for producing a contact lens | Isao Kaetsu, Hidenari Suyama, Nobuo Kameda, Hideo Koyama | 1989-06-13 |
| 4769082 | Method of pretreatment in saccharification and fermentation of waste cellulose resource | Noboru Kasai, Masao Tamada, Isao Kaetsu | 1988-09-06 |
| 4582719 | Process for producing a slow release composite | Isao Kaetsu, Masaharu Asano, Masaru Yoshida | 1986-04-15 |
| 4552633 | Fine particulate for use in clinical testing and a process for producing thereof | Isao Kaetsu, Mieko Suzuki, Masakazu Adachi | 1985-11-12 |
| 4411754 | Process for preparing a polymer composition | Isao Kaetsu, Masaru Yoshida | 1983-10-25 |
| 4321117 | Process for preparing a polymer composition | Isao Kaetsu, Masaru Yoshida | 1982-03-23 |
| 4311732 | Primer composition and a process for producing a coated product using the same | Isao Kaetsu, Masaru Yoshida, Goro Shimaoka, Masanobu Urabe | 1982-01-19 |
| 4272617 | Immobilization of enzymes or bacteria cells | Isao Kaetsu, Masaru Yoshida | 1981-06-09 |
| 4226938 | Method for immobilizing enzymes | Masaru Yoshida, Isao Kaetsu | 1980-10-07 |