Issued Patents All Time
Showing 76–89 of 89 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5952387 | Photostable aqueous solution containing benzyl alcohol derivatives | Yasuo Ito, Hideo Kato, Eiichi Koshinaka, Kazuya Matsuo | 1999-09-14 |
| 5172900 | Paper feed mechanism | Kazuo Uno, Junji Shirakawa | 1992-12-22 |
| 5157449 | Method and device for xerographic printing | Junichi Matsuno | 1992-10-20 |
| 5122175 | Method of and apparatus for producing superpure nitrogen | Shozi Koyama, Takazumi Ishizu, Junichi Hosokawa, Shinjiroo Ueda, Kanji Fujimori | 1992-06-16 |
| 4746343 | Method and apparatus for gas separation | Takazumi Ishizu, Shozi Koyama, Kazunori Nagae, Junichi Hosokawa | 1988-05-24 |
| 4728520 | Process of preparing instant noodles | Tazuo Yamaya, Ryutaro Kubo | 1988-03-01 |
| 4696689 | Method and apparatus for separating of product gas from raw gas | Hideharu Mori, Shozi Koyama | 1987-09-29 |
| 4676404 | Method and apparatus for feeding drug liquid from hermetic returnable can | Shigeru Iizuka, Shigemitsu Kamiya, Yoshiro Oka, Katsuhiro Fujino | 1987-06-30 |
| 4654292 | Photoresist composition containing a pyrazole compound anti-halation agent | Masayuki Oie, Satoshi Ogawa, Sadao Sugimoto, Katsuhiro Fujino | 1987-03-31 |
| 4385017 | Method of manufacturing hollow fiber | Yasushi Joh, Noriaki Kaneko, Shigehiko Oikawa, Yoshihiro Makuta, Chizuko Hayashi | 1983-05-24 |
| 4342711 | Method of manufacturing hollow fiber | Yasushi Joh, Noriaki Kaneko, Shigehiko Oikawa, Yoshihiro Makuta, Chizuko Hayashi | 1982-08-03 |
| 4325719 | Process for recovering nitrogen under pressure in air separation apparatus | — | 1982-04-20 |
| 4271740 | Cutting apparatus for potting material with hollow fibers embedded therein | Takayasu Akiyama, Yoshihiro Makuta, Tosikuni Maruoka | 1981-06-09 |
| 4237013 | Hollow fiber permeability apparatus | Yoshihiro Makuta, Yasushi Joh, Noriaki Kaneko | 1980-12-02 |