Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7468137 | Wastewater treatment process | Shinichiro Kawashima, Kazuya Mori, Atsushi Yamahashi, Yuji Masuda | 2008-12-23 |
| 6048390 | Ink jet recording ink and ink jet recording method | Toshiyuki Yano, Eisuke Hiraoka, Akihiko Chujo, Hiromi Nagai, Kaoru Watanabe +2 more | 2000-04-11 |
| 6015455 | Ink jet recording ink and ink jet recording method | Toshiyuki Yano, Eisuke Hiraoka, Akihiko Chujo, Kaoru Watanabe, Hiromi Nagai +2 more | 2000-01-18 |
| 5980623 | Ink set for ink jet recording and ink jet recording method | Eisuke Hiraoka, Akihiko Chujo, Kaoru Watanabe, Hiromi Nagai, Toshiyuki Yano +2 more | 1999-11-09 |
| 5868822 | Ink-jet recording ink and ink-jet recording method using the same | Toshitake Yui, Ken Hashimoto, Katsuhide Ogawa | 1999-02-09 |
| 5605566 | Ink for ink jet recording and ink jet recording process | Toshitake Yui, Akihiko Chujo, Yasuharu Endo, Eisuke Hiraoka, Atsushi Suzuki +1 more | 1997-02-25 |
| 5354636 | Electrophotographic photoreceptor comprising polyimide resin | Yoshiyuki Ono, Masaki Yokoi, Kazuo Yamasaki, Hiroyuki Hotta, Kenichi Kobayashi +1 more | 1994-10-11 |