Issued Patents 2002
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6478940 | Gas concentration sensing apparatus capable of suppressing sensor voltage oscillation | Eiichi Kurokawa, Satoshi Hada, Tomoo Kawase | 2002-11-12 |
| 6453724 | Gas concentration sensing apparatus | Tomoo Kawase, Eiichi Kurokawa, Satoshi Hada | 2002-09-24 |
| 6446488 | Gas concentration measuring apparatus producing current signals as a function of gas concentration | Eiichi Kurokawa, Tomoo Kawase, Satoshi Hada | 2002-09-10 |
| 6442998 | Gas concentration measuring apparatus compensating for error component of output signal | Eiichi Kurokawa, Tomoo Kawase, Satoshi Hada, Satoshi Nakamura | 2002-09-03 |
| 6439030 | Signal processing device for piezoelectric sensor | Eiichi Kurokawa, Hiroyuki Murai | 2002-08-27 |
| 6425182 | Method of making roller cage for roller bearing | Akiyoshi Honda, Masahide Matsubara, Kunio Fukuda, Hiroyuki Sawai, Akiyoshi Yamaguchi | 2002-07-30 |
| 6404102 | Piezoelectric resonator and piezoelectric resonator part | Nobuyuki Miki, Masakazu Hirose, Masayoshi Inoue | 2002-06-11 |
| 6383354 | Gas concentration sensing apparatus | Eiichi Kurokawa, Tomoo Kawase, Satoshi Hada | 2002-05-07 |
| 6369269 | Thiol and sulfur-containing O-(meth)acrylate compounds and use thereof | Seiichi Kobayashi, Nobuya Kawauchi, Masao Imai, Kenichi Fujii | 2002-04-09 |
| 6347544 | Control method for gas concentration sensor | Satoshi Hada, Eiichi Kurokawa, Tomoo Kawase, Satoshi Haseda | 2002-02-19 |
| 6340923 | High frequency relay | Hiroshi Yamanaka, Kazunobu Nakata | 2002-01-22 |
| 6336354 | Gas concentration measuring apparatus compensating for error component of output signal | Eiichi Kurokawa, Tomoo Kawase, Satoshi Hada | 2002-01-08 |