Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6434306 | Optical cable and manufacturing method thereof | Yoshiyuki Suetsugu, Masakazu Watanabe, Seigo Ujiie, Yuji Sera, Kimio Ando | 2002-08-13 |
| 6416557 | Water based fiber treatment agent | Isao Ona, Tsutomu Naganawa, Kazuo Kobayashi, Yoshitsugu Morita | 2002-07-09 |
| 6416558 | Water based fiber treatment agent and method for treating fibers | Isao Ona, Tsutomu Naganawa, Kazuo Kobayashi, Yoshitsugu Morita | 2002-07-09 |
| 6398860 | Sizing agent composition for printing paper | Isao Ona, Tadashi Takimoto, Tsutomu Naganawa | 2002-06-04 |