Issued Patents 2002
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6498203 | Rubber-erasable aqueous ink for writing material composition and writing materials using the same | Tsutomu Kito, Hiroyuki Hayashi | 2002-12-24 |
| 6476691 | Surface acoustic wave filter | Shigeru Tsuzuki, Tsutomu Igaki, Ken Matsunami, Kazunori Nishimura, Toru Yamada | 2002-11-05 |
| 6459915 | External adapter for a portable cellular phone | Makoto Sakakura, Takaaki Maegawa, Hiroaki Kosugi, Kenichi Takahashi | 2002-10-01 |
| 6392582 | Semiconductor integrated circuit | — | 2002-05-21 |
| 6351196 | Surface acoustic wave filter and multistage surface acoustic wave filter | Toru Yamada, Kazunori Nishimura, Toshio Ishizaki | 2002-02-26 |
| 6348845 | Surface acoustic wave filter and multistage surface acoustic wave filter | Toru Yamada, Kazunori Nishimura, Toshio Ishizaki | 2002-02-19 |