Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5624667 | Titanium oxide particles and method of producing same | Hitoshi Ando, Mitsuru Watanabe, Chitoshi Mukai | 1997-04-29 |
| 5480636 | Titanium oxide particles and method of scavenging noxious materials | Hitoshi Ando, Mitsuru Watanabe, Chitoshi Mukai | 1996-01-02 |
| 5143542 | Process for producing magnetic metal powder for magnetic recording | Kokichi Miyazawa, Toshihiko Kawamura | 1992-09-01 |
| 4539261 | Process for producing magnetic powder and product | Kazuo Nakata, Kiyoshi Asano | 1985-09-03 |
| 4275136 | Liquid developer for color electrophotography | Sadao Murasawa | 1981-06-23 |