Issued Patents All Time
Showing 76–89 of 89 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7597446 | Illumination optical system and image projection apparatus | Atsushi Okuyama | 2009-10-06 |
| 7215477 | Zoom lens and image display apparatus including the zoom lens | Shinji Yamasaki | 2007-05-08 |
| D519896 | Door lining for automobile | — | 2006-05-02 |
| D518763 | Door lining for automobile | — | 2006-04-11 |
| 6814442 | Image display apparatus and optical system | Atsushi Okuyama, Junko Kuramochi | 2004-11-09 |
| 6646809 | Image display apparatus, image display system, and image display element | Toshiki Ishino, Atsushi Okuyama | 2003-11-11 |
| 6594085 | Image display apparatus and optical system | Keiji Ohtaka | 2003-07-15 |
| 6554916 | Treatment method for making heat exchanger hydrophilic and heat exchanger treated to be hydrophilic | Masahiro Kojima, Shintaro Nakagawa, Masahiko Matsukawa, Toshio Inbe, Tatsuo Yoshida | 2003-04-29 |
| 6552854 | Image display apparatus and optical system | Junko Kuramochi, Atsushi Okuyama | 2003-04-22 |
| 6490095 | Image display apparatus | Atsushi Okuyama, Tatsuo Chigira, Junko Kuramochi | 2002-12-03 |
| 6447355 | Impregnated-type cathode substrate with large particle diameter low porosity region and small particle diameter high porosity region | Eiichirou Uda, Toshiharu Higuchi, Osamu Nakamura, Kiyomi Koyama, Sadao Matsumoto +3 more | 2002-09-10 |
| 6304024 | Impregnated-type cathode substrate with large particle diameter low porosity region and small particle diameter high porosity region | Eiichirou Uda, Toshiharu Higuchi, Osamu Nakamura, Kiyomi Koyama, Sadao Matsumoto +3 more | 2001-10-16 |
| 6130502 | Cathode assembly, electron gun assembly, electron tube, heater, and method of manufacturing cathode assembly and electron gun assembly | Kazuo Kobayashi, Toshiharu Higuchi, Hideharu Takahashi, Sakae Kimura, Shinpei Koshigoe +1 more | 2000-10-10 |
| 6034469 | Impregnated type cathode assembly, cathode substrate for use in the assembly, electron gun using the assembly, and electron tube using the cathode assembly | Eiichirou Uda, Toshiharu Higuchi, Osamu Nakamura, Kiyomi Koyama, Sadao Matsumoto +3 more | 2000-03-07 |