Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5225593 | Process for preparing pyruvate | Katufumi Kujira, Hiroshi Iwane | 1993-07-06 |
| 5208378 | Process for production of water-soluble carbodiimide | Takahiro Yoneyama, Masaki Odagiri | 1993-05-04 |
| 5155263 | Process for preparing .alpha.-ketobutyric acid | Hiroshi Iwane, Masashi Suzuki, Naoki Suzuki | 1992-10-13 |
| 5030750 | Process for preparing DL-serine and process for separation and purification of the same | Katufumi Kuzira, Masaki Odagiri, Takashi Yokoi | 1991-07-09 |
| 5026922 | Process for preparing glycol aldehyde | Takatoshi Seto, Takashi Yokoi, Masaki Odagiri | 1991-06-25 |
| 4952381 | Method for denitrizing nitrogen oxides contained in waste gas | Horiaki Rikimaru, Tadao Nakatsuji, Toshikatsu Umaba, Kazuhiko Nagano, Kazuya Mishina +11 more | 1990-08-28 |
| 4952545 | Process for removing nitrogen oxides from exhaust gases | Takeo Koshikawa, Akihiro Yamauchi, Masayuki Hanada, Morio Fukuda, Kiyoshi Nagano | 1990-08-28 |
| 4937382 | Process for preparing 2-(o-aminophenyl)ethanol | Katufumi Kujira, Hiroshi Iwane | 1990-06-26 |
| 4937392 | Process for preparing 4,4'-dihydroxydiphenylmethane | Hiroshi Iwane, Takahiro Sugawara, Satoshi Ohtaka, Naoki Suzuki | 1990-06-26 |
| 4906791 | Process for preparing p-cumylphenol | Hiroshi Iwane, Takahiro Sugawara, Satoshi Ohtaka, Masashi Inaba, Mitsugi Kataoka | 1990-03-06 |
| 4891348 | Catalyst for removing nitrogen oxides in exhaust gases | Takeo Koshikawa, Akihiro Yamauchi, Masayuki Hanada, Morio Fukuda, Kiyoshi Nagano | 1990-01-02 |
| 4869735 | Adsorbent for arsenic compound and method for removing arsenic compound from combustion gas | Masaki Miyazawa, Norihisa Kobayashi, Hiromu Takatsuka, Atsushi Morii, Toshio Koyanagi +9 more | 1989-09-26 |
| 4855115 | Process for removing nitrogen oxides from exhaust gases | Takeo Koshikawa, Akihiro Yamauchi, Masayuki Hanada, Morio Fukuda, Kiyoshi Nagano | 1989-08-08 |
| 4833113 | Denitration catalyst for reducing nitrogen oxides in exhaust gas | Takeo Koshikawa, Akihiro Yamauchi, Masayuki Hanada, Morio Fukuda, Kiyoshi Nagano | 1989-05-23 |
| 4757152 | Process for producing indoles | Hiroshi Iwane, Katsuhumi Kuzira, Takatoshi Seto | 1988-07-12 |
| 4659841 | Process for the preparation of indoles | Hiroshi Iwane, Katsufumi Kuzira, Takatoshi Seto | 1987-04-21 |
| 4568778 | Process for producing tert-amylphenols | Hiroshi Iwane, Takahiro Sugawara, Tadashi Ayusawa, Tadamichi Aoki | 1986-02-04 |
| 4564713 | Process for producing 4,4'-dihydroxydiphenyls | Hiroshi Iwane, Takahiro Sugawara | 1986-01-14 |
| 4466947 | Denitration catalyst and denitrating method | Bunzi Oshida, Yusaku Arima, Hirokazu Tanaka, Yoshinori Todo, Norihisa Kobayashi +1 more | 1984-08-21 |
| 4460706 | Catalyst for the production of styrene | Makoto Takiguchi | 1984-07-17 |
| 4378338 | Catalyst composition for removal of nitrogen oxides and a process for removal of nitrogen oxides | Bunji Oshida | 1983-03-29 |
| 4341912 | Process for producing alkenyl-substituted aromatic compounds and catalyst therefor | Kunimasa Takahashi, Yoshihisa Watanabe | 1982-07-27 |
| 4263457 | Process for producing biphenyl derivatives | Makoto Takeda, Eiji Taniyama, Yuji Ozawa, Kunimasa Takahashi, Hiroshi Iwane | 1981-04-21 |
| 4237254 | Process for producing olefin polymers | Sadao Kitagawa, Isao Okada, Teruo Saito, Shoichi Masukawa, Yoshihisa Watanabe | 1980-12-02 |