Issued Patents All Time
Showing 51–75 of 89 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7615011 | Method and apparatus for measuring blood volume, and vital sign monitor using the same | Yoshihiro Sugo, Keisuke Uchida, Sunao Takeda | 2009-11-10 |
| 7402138 | Method and apparatus for measuring blood volume, and vital sign monitor using the same | Yoshihiro Sugo, Keisuke Uchida, Sunao Takeda | 2008-07-22 |
| 7344217 | Image forming apparatus and its control method, and computer program and computer readable storage medium | Hiroki Kitamura, Yoshiyuki Akiba, Tsutomu Takada, Shuichi Nakamura, Yusuke Yamamoto +3 more | 2008-03-18 |
| 7269213 | Waveform equalizer having a tap coefficient monitoring unit | Kazushi Takanashi | 2007-09-11 |
| 7129964 | Image printing apparatus and image printing method | Isamu Ozawa | 2006-10-31 |
| 6931238 | Radio communication apparatus and antenna control method | Junichi Aizawa, Osamu Kato, Mitsuru Uesugi | 2005-08-16 |
| 6890081 | Optical element and optical system having the same | Toshihiro Sunaga, Hiroaki Hoshi | 2005-05-10 |
| 6842280 | Optical element and optical apparatus | Keisuke Araki, Tsunefumi Tanaka, Makoto Sekita, Kenichi Kimura, Toshihiro Sunaga | 2005-01-11 |
| 6785060 | Reflecting type optical system | Kenichi Kimura, Tsunefumi Tanaka, Toshiya Kurihashi, Shigeo Ogura, Keisuke Araki +6 more | 2004-08-31 |
| 6728044 | Zoom lens | Norihiro Nanba | 2004-04-27 |
| 6637899 | Optical element and optical system having the same | Toshihiro Sunaga, Hiroaki Hoshi | 2003-10-28 |
| 6639729 | Reflecting type of zoom lens | Tsunefumi Tanaka, Toshiya Kurihashi, Shigeo Ogura, Keisuke Araki, Makoto Sekita +6 more | 2003-10-28 |
| 6636360 | Reflecting type of zoom lens | Tsunefumi Tanaka, Toshiya Kurihashi, Shigeo Ogura, Keisuke Araki, Makoto Sekita +6 more | 2003-10-21 |
| 6633431 | Optical system and optical apparatus having the same | — | 2003-10-14 |
| 6529330 | Observation optical system and optical device having the same | Makoto Sekita | 2003-03-04 |
| 6522475 | Zoom lens | Norihiro Nanba | 2003-02-18 |
| 6426841 | Optical apparatus | Keisuke Araki, Tsunefumi Tanaka, Makoto Sekita, Kenichi Kimura, Norihiro Nanba +1 more | 2002-07-30 |
| 6366411 | Reflecting type optical system | Kenichi Kimura, Tsunefumi Tanaka, Toshiya Kurihashi, Shigeo Ogura, Keisuke Araki +6 more | 2002-04-02 |
| 6351333 | Optical element and optical system having the same | Keisuke Araki, Sadahiko Tsuji, Tsunefumi Tanaka, Kenichi Kimura, Norihiro Nanba +2 more | 2002-02-26 |
| 6335837 | Optical element and optical apparatus having it | Michiharu Aratani | 2002-01-01 |
| 6301064 | Optical apparatus | Keisuke Araki, Tsunefumi Tanaka, Makoto Sekita, Kenichi Kimura, Norihiro Nanba +1 more | 2001-10-09 |
| 6292309 | Reflecting type of zoom lens | Makoto Sekita, Tsunefumi Tanaka, Toshiya Kurihashi, Shigeo Ogura, Keisuke Araki +6 more | 2001-09-18 |
| 6278553 | Optical system having refractive index distribution | — | 2001-08-21 |
| 6270224 | Optical system and optical apparatus having the same | Toshihiro Sunaga | 2001-08-07 |
| 6268963 | Optical system having a reflecting surface | — | 2001-07-31 |