Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6703176 | Toner, process for producing toner image forming method and apparatus unit | Takeshi Naka, Yuichi Mizoo, Satoshi Matsunaga, Masami Azuma, Takashige Kasuya +4 more | 2004-03-09 |
| 6673506 | Toner production process | Hirohide Tanikawa, Tsutomu Onuma, Nobuyuki Okubo, Kaori Hiratsuka | 2004-01-06 |
| 6630277 | Toner production system | Takeshi Naka, Momosuke Takaichi, Kiyoshi Kanai | 2003-10-07 |
| 6630275 | Magnetic toner and process cartridge | Kaori Hiratsuka, Hirohide Tanikawa, Tsutomu Onuma, Nobuyuki Okubo | 2003-10-07 |
| 6589701 | Dry toner, image forming method and process cartridge | Katsuhisa Yamazaki, Tsutomu Onuma, Nobuyuki Okubo, Kaori Hiratsuka | 2003-07-08 |
| 6586151 | Toner, process for producing toner image forming method and apparatus unit | Takeshi Naka, Yuichi Mizoo, Satoshi Matsunaga, Masami Azuma, Takashige Kasuya +4 more | 2003-07-01 |
| 6537715 | Toner, image-forming method and process cartridge | Yuichi Mizoo, Takeshi Naka, Masami Azuma, Takashige Kasuya, Tadashi Dojo +3 more | 2003-03-25 |
| 6458499 | Toner having hydrocarbon wax with specific ester value and hydroxyl value | Tsutomu Onuma, Hirohide Tanikawa, Nobuyuki Okubo, Katsuhisa Yamazaki, Kaori Hiratsuka | 2002-10-01 |
| 6426169 | Toner containing azo iron compound | Tsutomu Onuma, Hirohide Tanikawa, Nobuyuki Okubo, Yoshihiro Ogawa, Katsuhisa Yamazaki +1 more | 2002-07-30 |
| 5330858 | Solid electrolyte type fuel cell power generation module and system | Hiroyuki Shundou | 1994-07-19 |
| 4910100 | Solid electrolyte fuel cell | Kazuo Koseki, Shinichi Maruyama, Hiroyuki Shundo | 1990-03-20 |
| 4673123 | Filler for welding a heat resistant nickel-base alloy | Shigeo Shin, Tamao Takatsu, Teiichiro Saito, Akiyoshi Kikuchi | 1987-06-16 |