Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5152758 | Electroresponsive hydrogel and physiologically active substance release control system | Yasushi Morita, Akira Ohtori | 1992-10-06 |
| 5061057 | Porous contact lens and method for making it | Minoru Kumakura, Yoshihide Komaki, Tsutomu Sakurai, Ryuji Arai, Yasuji Sejima +3 more | 1991-10-29 |
| 4981798 | Immobilization of growing microorganisms on polymer-coated cotton gauze | Minoru Kamakura, Masao Tamada, Noboru Kasai, Shigeru Yamanaka | 1991-01-01 |
| 4912000 | Electrophotographic photoreceptor | Minoru Kumakura, Masahiro Horigome, Tsuneo Isomura, Tomio Yoneyama, Tadaichi Murata | 1990-03-27 |
| 4904708 | Method of manufacturing soft contact lens material | Minoru Kumakura, Hidenari Suyama, Nobuo Kameda, Hideo Kouyama | 1990-02-27 |
| 4839109 | Process for producing a contact lens | Minoru Kumakura, Hidenari Suyama, Nobuo Kameda, Hideo Koyama | 1989-06-13 |
| 4800085 | Slow-release composite and process for producing the same | Masaru Yoshida, Masaharu Asano, Katsuyuki Nakai, Hidetoshi Yamanaka, Keizo Shida +1 more | 1989-01-24 |
| 4769082 | Method of pretreatment in saccharification and fermentation of waste cellulose resource | Minoru Kumakura, Noboru Kasai, Masao Tamada | 1988-09-06 |
| 4652443 | Slow-release composite and process for producing the same | Masaru Yoshida, Masaharu Asano, Katsuyuki Nakai, Hidetoshi Yamanaka, Keizo Shida +1 more | 1987-03-24 |
| 4584136 | Process for preparing Estracyt compounds having a carcinostatic bound thereto | Masaru Yoshida, Masaharu Asano, Hidetoshi Yamanaka, Katsuyuki Nakai, Hisako Yuasa +1 more | 1986-04-22 |
| 4582719 | Process for producing a slow release composite | Masaharu Asano, Minoru Kumakura, Masaru Yoshida | 1986-04-15 |
| 4552633 | Fine particulate for use in clinical testing and a process for producing thereof | Minoru Kumakura, Mieko Suzuki, Masakazu Adachi | 1985-11-12 |
| 4483807 | Process for producing a slow release composite | Masaharu Asano, Masaru Yoshida | 1984-11-20 |
| 4411754 | Process for preparing a polymer composition | Masaru Yoshida, Minoru Kumakura | 1983-10-25 |
| 4379038 | Process for preparing a physiologically active substance controlled release composite composition | Masaru Yoshida | 1983-04-05 |
| 4359483 | Process for producing a multi-layered slow release composite | Masaru Yoshida | 1982-11-16 |
| 4321117 | Process for preparing a polymer composition | Masaru Yoshida, Minoru Kumakura | 1982-03-23 |
| 4311732 | Primer composition and a process for producing a coated product using the same | Minoru Kumakura, Masaru Yoshida, Goro Shimaoka, Masanobu Urabe | 1982-01-19 |
| 4310397 | Polymer composition containing a physiologically active substance | Masaru Yoshida, Masaharu Asano | 1982-01-12 |
| 4272617 | Immobilization of enzymes or bacteria cells | Minoru Kumakura, Masaru Yoshida | 1981-06-09 |
| 4226938 | Method for immobilizing enzymes | Masaru Yoshida, Minoru Kumakura | 1980-10-07 |
| 4193845 | Immobilization of enzymes or bacterial cells | Hiroshi Watanabe, Tomotaro Sato, Akihiko Ito | 1980-03-18 |
| 4194066 | Immobilization of enzymes or bacteria cells | Minoru Kumkaura | 1980-03-18 |