Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6193986 | Oily composition with increased stability and process for producing the same | — | 2001-02-27 |
| 6190680 | Oily composition and process for producing the same | Hisako Yoshino | 2001-02-20 |
| 5098894 | Binderless zeolite catalysts, production thereof and catalytic reaction therewith | Nobuaki Tagaya, Tadashi Miura, Tsugio Maeshima, Takao Hashimoto | 1992-03-24 |
| 5075277 | Steam reforming catalyst for hydrocarbon and method for manufacturing the same | Akira Saiai, Yasuharu Yokoyama, Takao Hashimoto, Tomoko Segawa, Fumiya Ishizaki | 1991-12-24 |
| 4977120 | Binderless zeolite catalysts, production thereof and catalytic reaction therewith | Nobuaki Tagaya, Tadashi Miura, Tsugio Maeshima, Takao Hashimoto | 1990-12-11 |
| 4950562 | Solid electrolyte type fuel cells | Toshihiko Yoshida, Tsukasa Shima, Fumiya Ishizaki, Hiroyuki Iwasaki, Isao Mukaizawa +2 more | 1990-08-21 |
| 4664775 | Method for manufacturing low pour point petroleum product with zeolite TSZ | Tsugio Maejima, Wataru Kobayashi, Kenji Ashibe, Nobuaki Tagaya | 1987-05-12 |
| 4513166 | Process for the low polymerization of isobutene | Takao Hashimoto, Nobuaki Tagaya, Tsugio Maeshima, Kayako Ueda, Masahiro Kokubo | 1985-04-23 |
| 4454367 | Process for the low polymerization of isobutene | Takao Hashimoto, Nobuaki Tagaya, Tsugio Maeshima, Kayako Ueda, Masahiro Kokubo | 1984-06-12 |
| 4199555 | Catalyst for reducing nitrogen oxides | Takuji Itoh, Nobuaki Tagaya | 1980-04-22 |
| 4186078 | Catalyst and process for hydrofining petroleum wax | Takuji Itoh, Shohei Okano, Takashi Obayashi, Takeo Toyoizumi, Osami Iwata | 1980-01-29 |