Issued Patents 2003
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6657181 | Optical element used in compact interference measuring apparatus detecting plurality of phase difference signals | Ko Ishizuka, Hidejiro Kadowaki, Yasushi Kaneda, Takayuki Kadoshima, Sakae Horyu | 2003-12-02 |
| 6649106 | Method for debindering of powder molded body | Shinji Sakaguchi, Takayuki Kawae | 2003-11-18 |
| 6631047 | Interference device, position detecting device, positioning device and information recording apparatus using the same | Kou Ishizuka, Hidejiro Kadowaki, Naoki Kawamata, Hiroyuki Hagiwara, Makoto Takamiya +1 more | 2003-10-07 |
| 6618218 | Displacement detecting apparatus and information recording apparatus | Hidejiro Kadowaki, Ko Ishizuka, Yasushi Kaneda, Takayuki Kadoshima, Sakae Horyu | 2003-09-09 |
| 6589330 | Halogen-free green pigment composition | Kosaku Tsuji | 2003-07-08 |
| 6533860 | Process for preparing green pigment composition containing no halogen | Yasuhiko Hatakeyama, Toshikazu Tamura | 2003-03-18 |
| 6529278 | Optical interference apparatus and position detection apparatus | — | 2003-03-04 |