Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10351929 | Sulfuric acid adding facility and operation method therefor | Takashi Sakamoto, Osamu Nakai, Hideaki Sato, Sho Shirai | 2019-07-16 |
| 9651200 | Slurry-transporting facility and slurry transportation control method | Osamu Nakai, Satoshi Matsubara, Hiroyuki Mitsui, Kenji Tachi | 2017-05-16 |
| 6320067 | Process for producing nitrile | Junji Koshino | 2001-11-20 |
| 5912362 | Process for preparing isochroman compounds | Shigeyoshi Tanaka, Junji Koshino | 1999-06-15 |
| 5514830 | Process for producing nitrile | Yoshiaki Fujikura | 1996-05-07 |
| 5457222 | Process for producing nitrile | Yoshiaki Fujikura | 1995-10-10 |