Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5321160 | Process for producing an ethylenamine | Noritaka Nagasaki, Yasushi Hara | 1994-06-14 |
| 5248827 | Process for producing an ethylenamine | Yasushi Hara, Noritaka Nagasaki, Nobuyuki Kanai, Nobumasa Suzuki, Yukio Ito +1 more | 1993-09-28 |
| 5001289 | Shaped zeolite catalyst for liquid phase organic reactions | Masao Nakano, Kazuhiko Sekizawa, Kiyotaka Oyama, Seiichi Asano | 1991-03-19 |
| 4914247 | Process for preparing para-substituted halogenobenzene derivatives | Kazuhiko Sekizawa, Masao Nakano, Yukihiro Tsutsumi | 1990-04-03 |
| 4861929 | Process for producing halogenated benzene derivative using zeolite catalyst | Takanori Miyake, Kazuhiko Sekizawa, Yukihiro Tsutsumi | 1989-08-29 |
| 4849560 | Process for preparation of halogenated benzene derivatives | Kazuhiko Sekizawa, Takanori Miyake, Yukihiro Tsutsumi | 1989-07-18 |
| 4792644 | Preparation of halogenated benzene derivatives | Kazuhiko Sekizawa, Yukihiro Tsutsumi | 1988-12-20 |
| 4528410 | Process for preparation of alcohols by hydration of olefins | Teruhisa Sakamoto, Satoshi Ishida, Yukihiro Tsutsumi | 1985-07-09 |