Issued Patents 2003
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670076 | Spinel-type lithium-manganese oxide containing heteroelements preparation process and use thereof | Eiichi Iwata, Ken Takahashi | 2003-12-30 |
| 6661499 | Projection exposure apparatus with a catadioptric projection optical system | Yasuhiro Omura, Toshihiko Ozawa, Hideki Komatsuda | 2003-12-09 |
| 6642994 | Optical exposure apparatus and photo-cleaning method | Tetsuo Takahashi, Hiroshi Nakamura, Yuji Kudo, Taro Ogata | 2003-11-04 |
| 6634933 | Method, jig, and apparatus for machining rod lenses | Hiroshi Koshi, Kazuto Kase, Tsuyoshi Yamane, Kenshu ANDO | 2003-10-21 |
| 6614754 | Bi-directional line switched ring network system | Keiji Usuba, Masatoshi Takahashi, Mitsunobu Kimura, Seigo OBAYASHI | 2003-09-02 |
| 6526118 | Projection exposure apparatus and method, and illumination optical system thereof | Hideki Komatsuda | 2003-02-25 |