Issued Patents All Time
Showing 76–100 of 110 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6900820 | Display apparatus for a computer having a storage medium | Rieko Kataoka, Yasumasa Takeda, Masaki Kobayashi | 2005-05-31 |
| 6856229 | Electronic chip component and manufacturing method thereof | Nobuhiro Umeyama | 2005-02-15 |
| 6833226 | Electrophotographic apparatus, process cartridge and electrophotographic photosensitive member | Kumiko Takizawa, Wataru Kitamura | 2004-12-21 |
| 6825979 | Optical system having a diffractive optical element, and optical apparatus | — | 2004-11-30 |
| 6791754 | Optical system having a diffractive optical element, and optical apparatus | — | 2004-09-14 |
| 6703174 | Electrophotographic apparatus and process cartridge | Wataru Kitamura | 2004-03-09 |
| 6628462 | Optical system and optical apparatus having the same | — | 2003-09-30 |
| 6596200 | Electronic material composition, electronic parts and use of electronic material composition | Kinya Iri, Mitsuyoshi Ito | 2003-07-22 |
| 6473232 | Optical system having a diffractive optical element, and optical apparatus | — | 2002-10-29 |
| 6393691 | Electronic chip component and manufacturing method thereof | Nobuhiro Umeyama, Hideo Aoba | 2002-05-28 |
| 6381079 | Optical system and optical apparatus having the same | — | 2002-04-30 |
| 6313958 | Diffractive-refractive photographic optical system | — | 2001-11-06 |
| 6268969 | Image forming optical system having diffractive optical element | — | 2001-07-31 |
| 6198373 | Wire wound electronic component | Hideo Aoba, Yoshihiro Amada, Takayuki Uehara, Kazuhiko Otsuka, Hideyuki Karasawa +1 more | 2001-03-06 |
| 6124981 | Attachment lens having diffraction surface | — | 2000-09-26 |
| 6115188 | Optical system and optical apparatus having the same | Akihiro Nishio, Makoto Misaka | 2000-09-05 |
| 6091901 | Optical system and photographing apparatus having image stabilizing function | — | 2000-07-18 |
| 6070570 | Wire-saw and its manufacturing method | Isao Ueoka, Jun Sugawara, Akira Mizoguchi, Hideo Oshita, Masaaki Yamanaka +2 more | 2000-06-06 |
| 5930043 | Optical system with refracting and diffracting optical units, and optical instrument including the optical system | — | 1999-07-27 |
| 5899585 | Compact wide-angle zoom lens | — | 1999-05-04 |
| 5790902 | Zoom lens | Satoru Mizouchi, Masatake Kato, Masaharu Eguchi | 1998-08-04 |
| 5646292 | Blowing agents of tetrazoles and their derivatives | Satoshi Nakagawa, Hiroaki Tanaka, Atsuhiro Onishi | 1997-07-08 |
| 5581443 | Structure for cooling a circuit module having a circuit board and a heat-generating IC chip mounted on the board, and portable electronic apparatus incorporating the structure | Hiroshi Nakamura, Kentaro Tomioka, Kiyoumi Ninomiya, Yuji Nakajima | 1996-12-03 |
| 5576890 | Zoom lens | Tsunefumi Tanaka, Hiroshi Endo | 1996-11-19 |
| 5568321 | Zoom lens | Tsunefumi Tanaka, Takeshi Koyama | 1996-10-22 |