Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE38796 | Process for producing 3-amino-2-oxo-1-halogenopropane derivatives | Satoshi Katayama, Kunisuke Izawa, Masakazu Nakazawa, Takayuki Suzuki, Naoko Kanno | 2005-09-13 |
| 6765100 | Method for producing epoxide crystal | Tomoyuki Onishi, Naoko Hirose, Yasuyuki Otake, Takashi Nakano, Masakazu Nakazawa +1 more | 2004-07-20 |
| 6316660 | Process for producing cyclohexylamino acids | Takahiro Sato, Kunisuke Izawa | 2001-11-13 |
| 6239308 | Method for producing .alpha.-hydroxy-.beta.-aminocarboxylic acids | Takayuki Suzuki, Kunisuke Izawa | 2001-05-29 |
| 6169200 | Method for producing .alpha.-hydroxy-.beta.-aminocarboxylic acids | Takayuki Suzuki, Kunisuke Izawa | 2001-01-02 |
| 6051722 | Compounds, polymers, resin compositions and nonlinear optical devices | Iwao Fukuchi, Kwan-Yue Jen | 2000-04-18 |
| 6001277 | Liquid-crystal alignment film | Kunihiro Ichimura, Nobuo Miyadera, Yasuo Miyadera, Iwao Fukuchi, Naoto Ohta +1 more | 1999-12-14 |
| 5932267 | Seasoning material | Keigo Shima, Tsutomu Harada, Eiichiro Suzuki | 1999-08-03 |
| 5902887 | Process for producing 3-amino-2-oxo-1-halogenopropane derivatives | Satoshi Katayama, Kunisuke Izawa, Masakazu Nakazawa, Takayuki Suzuki, Naoko Kanno | 1999-05-11 |
| 5883284 | Method for producing .alpha.-hydroxy-.beta.-aminocarboxylic acids | Takayuki Suzuki, Kunisuke Izawa | 1999-03-16 |
| 5871558 | Process for producing silica glass | Kouichi Takei, Youichi Machii, Toshikatsu Shimazaki, Hiroki Terasaki, Hidekuni Banno +1 more | 1999-02-16 |
| 5834575 | Compounds and polymers, resin compositions, nonlinear optical element and nonlinear optical devices, and production process therefor | Iwao Fukuchi, Masato Taya, Kwan-Yue Jen | 1998-11-10 |
| 5817859 | .alpha.-acyloxy-.beta.-amino-thiocarboxylic acid esters | Takayuki Suzuki, Kunisuke Izawa | 1998-10-06 |
| 5767316 | Process for producing 3-amino-2-oxo-1-halogenopropane derivatives | Satoshi Katayama, Kunisuke Izawa, Masakazu Nakazawa, Takayuki Suzuki, Naoko Kanno | 1998-06-16 |
| 5705671 | Method for producing .alpha.-hydroxy-.beta.-aminocarboxylic acids | Takayuki Suzuki, Kunisuke Izawa | 1998-01-06 |
| 5688546 | Seasoning material | Keigo Shima, Tsutomu Harada, Eiichiro Suzuki | 1997-11-18 |
| 5466793 | Process for preparing 2', 3'- dideoxyinosine | Hiroshi Shiragami, Hisao Iwagami, Masayuki Arai | 1995-11-14 |
| 5451671 | Method of purifying 2',3'-dideoxynucleosides | Hiroshi Shiragami, Masayuki Arai, Kunisuke Izawa, Yasuhiro Tanaka, Toshihide Yukawa +1 more | 1995-09-19 |
| 5290927 | Process for preparing 2',3'-dideoxyadenosine | Hiroshi Shiragami, Hisao Iwagami, Masayuki Arai | 1994-03-01 |
| 5009751 | Process for separation of hafnium tetrachloride from zirconium tetrachloride | Tomoo Kirihara, Ippei Nakagawa, Yoshinobu Seki, Yasuo Ichihara | 1991-04-23 |
| 4925537 | Process for separation of hafnium tetrachloride from zirconium tetrachloride and electrode | Tomoo Kirihara, Ippei Nakagawa, Yoshinobu Seki, Yasuo Ichihara | 1990-05-15 |
| 4857155 | Process of separation of hafnium from zirconium by molten salt electrolysis | Tomoo Kirihara, Ippei Nakagawa, Yoshinobu Seki | 1989-08-15 |
| 4663232 | Acrylic fiber having excellent durability and dyeability and process for preparation thereof | Kenji Kamide, Shuji Kajita | 1987-05-05 |