Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6455169 | Inkjet recording sheet | Senichi Yoshizawa, Hiroyuki Onishi, Masaaki Itano, Akio Owatari | 2002-09-24 |
| 6391927 | Method for manufacturing ink follower for water base ballpoint pens | Norio Ogura, Youji Takeuchi, Tadashi Kamagata, Katsuhiko Shiraishi | 2002-05-21 |
| 6376560 | Ink follower for water-base ballpoint pens and method of manufacturing the same | Norio Ogura, Youji Takeuchi, Tadashi Kamagata, Katsuhiko Shiraishi | 2002-04-23 |
| 6350507 | Recording sheet for ink jet printer | Shinitiro Kobayashi, Takeshi Yoshimoto, Takayuki Ishikawa, Nobuhiro Kubota, Jun Sugiyama +2 more | 2002-02-26 |