Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5919486 | Powder preparation and a process for preparing the same | Takanori Ishii, Nobuhiro Hasegawa, Masaaki Katsuro, Kazumasa Suzuki | 1999-07-06 |
| 5336271 | Method for increasing the proportion of a crystalline organic compound which remains uncrystallized in a composite particulate product and suppressing recrystallization | Takafumi Ishizaka, Yuji Kikuchi | 1994-08-09 |
| 5182103 | Magnesium aluminometasilicate coated composite powder and use thereof | Toshihiko Nakane, Hiroshi Fukui, Yutaka Okunuki, Yoshio Yahata, Shigenori Kumagai +13 more | 1993-01-26 |
| 5122418 | Composite powder and production process | Toshihiko Nakane, Hiroshi Fukui, Yutaka Okunuki, Yoshio Yahata, Shigenori Kumagai +11 more | 1992-06-16 |
| 4915987 | Method of improving quality of surface of solid particles and apparatus thereof | Yorioki Nara | 1990-04-10 |
| 4902596 | Toner for electrophotography with the change controlling agent dispersed therein | Masuyuki Takada, Akio Kazama, Yukio Kawashima | 1990-02-20 |
| 4880666 | Method of manufacturing magnetic recording medium | Takeo Ito, Hajime Takeuchi, Minoru Hashimoto, Toshio Fukaya | 1989-11-14 |
| 4835082 | Toner for electrophotography | Manabu Sawada, Nobuyuki Igarashi, Akira Arikawa | 1989-05-30 |
| 4309411 | Skin cleansing preparation | Hiroshi Toida | 1982-01-05 |