Issued Patents All Time
Showing 201–225 of 233 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5144060 | Betaine esters of polyoxyalkylene ether | Eiichi Hirota, Yasuo Ishizaki | 1992-09-01 |
| 5096593 | Separation material derived from glucomannan for blood coagulation factor, preparation and use thereof | Masaaki Wakita, Takashi Tomoda, Masato Yamaguchi, Isao Joko, Tetsuro Yamamoto +1 more | 1992-03-17 |
| 5071751 | Process for preparing hyaluronic acid | Masahiro Fujii | 1991-12-10 |
| 5038013 | Plasma processing apparatus including an electromagnet with a bird cage core | Moriaki Akazawa, Takahiro Maruyama, Toshiaki Ogawa, Tomoaki Ishida | 1991-08-06 |
| 4987092 | Process for manufacturing stacked semiconductor devices | Kiyoteru Kobayashi, Tadashi Nishimura, Shuji Nakao, Hidekazu Oda, Yasuo Inoue | 1991-01-22 |
| 4962031 | Process for producing optically active compounds | Naoyuki Yoshida, Masakazu Kaneoya, Manabu Uchida | 1990-10-09 |
| 4948814 | Ion exchanger based on cross-linked glucomannan | Yoshiaki Motozato, Takashi Tomoda, Masato Yamaguchi, Isao Joko | 1990-08-14 |
| 4943612 | Ultra-fine particulated polymer latex and composition containing the same | Eiichi Hirota, Yasuo Ishizaki | 1990-07-24 |
| 4916074 | Process for producing optically active compounds | Naoyuki Yoshida | 1990-04-10 |
| 4901313 | A-point to multi-points communication system | Nobuyuki Fujikura, Yoshihisa Ikeda, Ryoichi Sasaki | 1990-02-13 |
| 4887760 | Bonding sheet for electronic component and method of bonding electronic component using the same | Thunekazu Yoshino, Hirotaka Nakano, Nobuo Hayashi, Yuko KUBOTA | 1989-12-19 |
| 4881131 | Plotter adjustment circuit | — | 1989-11-14 |
| 4877509 | Semiconductor wafer treating apparatus utilizing a plasma | Toshiaki Ogawa, Nobuo Fujiwara, Kenji Kawai, Teruo Shibano, Kyusaku Nishioka | 1989-10-31 |
| 4867974 | Agent for preventing plant virus diseases | Masahiro Fujii, Jun Hiraki, Masakazu Hatakeyama | 1989-09-19 |
| 4820584 | Magnetic recording medium and method of manufacturing the same | Osamu Osada | 1989-04-11 |
| 4765408 | Micellar slug for oil recovery | Yasuyuki Kawada, Junichi Yamada, Toshiyuki Ukigai | 1988-08-23 |
| 4733728 | Micellar slug for oil recovery | Yasuyuki Kawada, Junichi Yamada, Toshiyuki Ukigai | 1988-03-29 |
| 4597879 | Micellar slug for oil recovery | Yasuyuki Kawada, Junichi Yamada, Toshiyuki Ukigai | 1986-07-01 |
| 4556108 | Micellar slug for oil recovery | Yasuyuki Kawada, Junichi Yamada, Toshiyuki Ukigai | 1985-12-03 |
| 4555351 | Micellar slug for oil recovery | Yasuyuki Kawada, Junichi Yamada, Toshiyuki Ukigai | 1985-11-26 |
| 4549607 | Micellar slug for oil recovery | Yasuyuki Kawada, Junichi Yamada, Toshiyuki Ukigai | 1985-10-29 |
| 4537253 | Micellar slug for oil recovery | Yasuyuki Kawada, Junichi Yamada, Toshiyuki Ukigai | 1985-08-27 |
| 4534411 | Micellar slug for oil recovery | Yasuyuki Kawada, Junichi Yamada, Toshiyuki Ukigai | 1985-08-13 |
| 4532053 | Micellar slug for oil recovery | Yasuyuki Kawada, Jun Yamada, Toshiyuki Ukigai | 1985-07-30 |
| 4512404 | Micellar slug for oil recovery | Yasuyuki Kawada, Junichi Yamada, Toshiyuki Ukigai | 1985-04-23 |