Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6576584 | Method for producing hydrotreating catalyst | Masahiko Iijima, Yoshinobu Okayasu, Takeshi Isoda | 2003-06-10 |
| 6436870 | Hydrotreating catalyst for hydrotreating hydrocarbon oils | Masahiko Iijima, Yoshinobu Okayasu, Takeshi Isoda | 2002-08-20 |
| 5217699 | Calcium-phosphate type hydroxyapatite | Nobuaki Tagaya, Hideyuki Kuwakara, Noriko Komatsu, Keiko Fukamachi, Tsugio Maeshima +2 more | 1993-06-08 |
| 5098894 | Binderless zeolite catalysts, production thereof and catalytic reaction therewith | Satoshi Sakurada, Nobuaki Tagaya, Tadashi Miura, Tsugio Maeshima | 1992-03-24 |
| 5082566 | Calcium-phosphate type hydroxyapatite for chromatographic separation and process for producing same | Nobuaki Tagaya, Hideyuki Kuwahara, Noriko Komatsu, Keiko Fukamachi, Tsugio Maeshima +2 more | 1992-01-21 |
| 5075277 | Steam reforming catalyst for hydrocarbon and method for manufacturing the same | Akira Saiai, Yasuharu Yokoyama, Satoshi Sakurada, Tomoko Segawa, Fumiya Ishizaki | 1991-12-24 |
| 5037543 | Assemblage of hydroxyl apatite particles and liquid chromatography column using the same | Tsugio Maejima, Kimio Tamai, Tetsuo Kanakubo, Masao Yoshizawa, Nobuaki Tagaya +3 more | 1991-08-06 |
| 4977120 | Binderless zeolite catalysts, production thereof and catalytic reaction therewith | Satoshi Sakurada, Nobuaki Tagaya, Tadashi Miura, Tsugio Maeshima | 1990-12-11 |
| 4794171 | Calcium-phosphate type hydroxyapatite and process for producing same | Nobuaki Tagaya, Hideyuki Kuwahara, Noriko Komatsu, Keiko Fukamachi, Tsugio Maeshima | 1988-12-27 |
| 4781904 | Calcium-phosphate type hydroxyapatite for chromatographic separation and process for producing same | Nobuaki Tagaya, Hideyuki Kuwahara, Noriko Komatsu, Keiko Fukamachi, Tsugio Maeshima +2 more | 1988-11-01 |
| 4513166 | Process for the low polymerization of isobutene | Satoshi Sakurada, Nobuaki Tagaya, Tsugio Maeshima, Kayako Ueda, Masahiro Kokubo | 1985-04-23 |
| 4454367 | Process for the low polymerization of isobutene | Satoshi Sakurada, Nobuaki Tagaya, Tsugio Maeshima, Kayako Ueda, Masahiro Kokubo | 1984-06-12 |