Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7524781 | Non-lead optical glass and optical fiber | Tatsuo Nagashima, Seiki Ohara, Tomoharu Hasegawa | 2009-04-28 |
| 7514381 | Optical glass and lens | Syuji Matsumoto, Jun Sasai | 2009-04-07 |
| 7369733 | Glass optical waveguide | Yuki Kondo, Motoshi Ono | 2008-05-06 |
| 7336413 | Nonlinear fiber, wavelength conversion method and wavelength conversion device | Tomoharu Hasegawa, Tatsuo Nagashima | 2008-02-26 |
| 7284594 | Cooling system used for hybrid-powered automobile | Ryouichi Sanada, Atsushi Hayasaka | 2007-10-23 |
| 7096930 | Heat exchanger for refrigerant cycle | Tetsuji Nobuta, Ryouichi Sanada, Tatsuhiko Nishino | 2006-08-29 |
| 7033966 | Optical glass and lens | Tomoyuki Kobayashi, Minoru Sekine, Syuji Matsumoto | 2006-04-25 |
| 6819860 | Optical amplifying glass and optical waveguide | Seiki Ohara, Hideaki Hayashi, Katsuhiro Ochiai, Yasuji Fukasawa, Takeshi Hirose +1 more | 2004-11-16 |
| 6776223 | Heat exchanger having bracket mounted on side plate of core unit | Ryouichi Sanada | 2004-08-17 |
| 6656584 | Glass fiber | Setsuro Ito | 2003-12-02 |
| 6653251 | Optical amplifying glass and method for its production | Setsuro Ito | 2003-11-25 |
| 6620748 | Light-amplifying glass, light-amplifying medium and resin-coated light-amplifying medium | Yutaka KUROIWA, Setsuro Ito, Setsuhisa Tanabe, Teiichi Hanada | 2003-09-16 |
| 6599852 | Optical amplifying glass | Yuki Kondo, Setsuro Ito, Tatsuo Nagashima, Setsuhisa Tanabe | 2003-07-29 |
| 6599853 | Optical amplifier glass | Setsuro Ito, Setsuhisa Tanabe | 2003-07-29 |
| 6560392 | Optical amplifying glass fiber | Yutaka KUROIWA, Setsuro Ito | 2003-05-06 |
| 5944095 | Heat exchanger | Mikio Fukuoka, Yoshifumi Aki | 1999-08-31 |
| 5780373 | Glass composition and substrate for plasma display | Osamu Yanagisawa, Kenji Oda, Yoshio Takegawa, Akira Takada, Hideyo Osada +2 more | 1998-07-14 |
| 5714840 | Plasma display panel | Ryuichi Tanabe, Setsuro Ito, Jiro Chiba | 1998-02-03 |
| 5631195 | Glass composition and substrate for plasma display | Osamu Yanagisawa, Kenji Oda, Yoshio Takegawa, Akira Takada, Hideyo Osada +2 more | 1997-05-20 |
| 5024974 | Glass having ultrafine particles of CuCl and/or CuBr precipitated therein and process for its production | Arao Nakamura, Tsuneo Manabe, Hiroshi Usui | 1991-06-18 |