Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12410109 | Method for producing olefin and olefination reaction catalyst | Yuuichirou HIRAI, Keisuke Ono, Keiichi Tomishige, Yoshinao Nakagawa | 2025-09-09 |
| 12172949 | Method for producing alcohol | Tomoo MIZUGAKI, Kiyotomi Kaneda, Yuuichirou HIRAI | 2024-12-24 |
| 11505460 | Method for producing silanol compound and hydrogen | Kiyotomi Kaneda, Takato MITSUDOME, Yuuichirou HIRAI, Keisuke Ono | 2022-11-22 |
| 11040334 | Catalyst for reduction reaction of 3,4-dihydroxytetrahydrofuran, and method for producing 3,4-dihydroxytetrahydrofuran reduced product | Keiichi Tomishige, Yoshinao Nakagawa, Masazumi Tamura, Yuuichirou HIRAI, Keisuke Ono | 2021-06-22 |
| 10751704 | Hydrogenation reaction catalyst for 1,4-anhydroerythritol, method for producing 3-hydroxytetrahydrofuran, and method for producing 1,3-butane diol | Keiichi Tomishige, Yoshinao Nakagawa, Yuuichirou HIRAI | 2020-08-25 |
| 8217182 | Process for producing cyclic N-hydroxy imide compounds | — | 2012-07-10 |
| 7910749 | Methods for oxidizing organic compounds | Naruhisa Hirai, Jun Kuwana | 2011-03-22 |
| 7582774 | Process for producing cyclic N-hydroxy imide compounds | — | 2009-09-01 |
| 7371444 | Aliphatic copolyester resin, a preparation method, an aliphatic polyester resin composition, uses thereof, a coating composition, a particle-state composition for agriculture and gardening coated by degradable layer | — | 2008-05-13 |
| 7220469 | Aliphatic copolyester resin, a preparation method, an aliphatic polyester resin composition, uses thereof, a coating composition, a particle-state composition for agriculture and gardening coated by degradable layer | Masanori Sakane, Michiyo Nakai, Kunio Shimizu, Masaaki Ito | 2007-05-22 |
| 7015356 | Process for producing dicarboxylic acids | Yasutaka Ishii | 2006-03-21 |
| 6509440 | ALIPHATIC COPOLYMER, PRODUCTION PROCESS, ALIPHATIC POLYESTER RESIN COMPOSITION, VARIOUS USES, COATING COMPOSITION, AND AGRICULTURAL OR HORTICULTURAL PARTICULATE COMPOSITION COMPRISING DEGRADABLE COATING FILM | Masanori Sakane, Michiyo Nakai, Kunio Shimizu, Masaaki Ito | 2003-01-21 |
| 5756836 | Process for producing highly purified acetic acid | Masahiko Shimizu, Kazuyuki Akita, Takashi Ueno, Yasuo Tsuji, Yoshiaki Morimoto | 1998-05-26 |
| 5672744 | Process for the preparation of acetic acid | Masahiro Kagotani | 1997-09-30 |