Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6472058 | Fiber-composite material and method for producing the same | Shigeru Hanzawa, Tsuneo Komiyama, Mihoko Yamashita | 2002-10-29 |
| 6447893 | Fibrous composite material and process for producing the same | Shigeru Hanzawa | 2002-09-10 |
| 6377759 | Process cartridge, electrophotographic image forming apparatus and developer amount detecting member | Daisuke Abe, Kazushi Watanabe, Toru Oguma | 2002-04-23 |