Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6770296 | Process for producing coated preparation and its use | Kunihiko Yokota, Masaru Miyawaki | 2004-08-03 |
| 6485742 | Process for producing coated preparation and its use | Kunihiko Yokota, Masaru Miyawaki | 2002-11-26 |
| 5290568 | Production of .beta.-form thiamine hydrochloride crystals | Tatsuo Asogawa, Seiji Izuhara | 1994-03-01 |
| 5064829 | Composition of a B vitamin and mannitol and a method for production | Seiji Izuhara, Kunihiko Yokota | 1991-11-12 |
| 4929378 | Bath preparation | Yasuhiko Morita, Seiji Izuhara | 1990-05-29 |