Issued Patents All Time
Showing 176–200 of 227 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5532201 | Thermosensitive recording medium | — | 1996-07-02 |
| 5521138 | Reversible thermosensitive coloring composition, and recording medium using the same | Masaru Shimada, Eiichi Kawamura, Shoji Maruyama, Keishi Kubo, Kyoji Tsutsui | 1996-05-28 |
| 5517228 | Apparatus for displaying a recording medium sheet and printing an image thereon | Makoto Obu, Masaru Shimada, Itsuo Ikeda, Noriyoshi Tarumi | 1996-05-14 |
| 5495096 | Multi-focus optical device | Shiro Ogata, Yoshinori Ito, Koichi Imanaka | 1996-02-27 |
| 5493324 | Image forming apparatus | Tateki Oka | 1996-02-20 |
| 5444565 | Optical scanner | — | 1995-08-22 |
| 5444724 | Tunable wavelength light source incorporated optical filter using interferometer into external cavity | — | 1995-08-22 |
| 5432534 | Reversible thermosensitive coloring composition, recording medium, recording method, and image display apparatus using the recording medium | Shoji Maruyama, Eiichi Kawamura, Masaru Shimada, Keishi Kubo, Kyoji Tsutsui +5 more | 1995-07-11 |
| 5400068 | Video telephone | Kiyoshi Ishida | 1995-03-21 |
| 5395433 | Reversible thermosensitive coloring composition, recording medium, recording method, and image display apparatus using the recording medium | Shoji Maruyama, Eiichi Kawamura, Masaru Shimada, Keishi Kubo, Kyoji Tsutsui +5 more | 1995-03-07 |
| 5380693 | Transparent thermosensitive recording medium | — | 1995-01-10 |
| 5362929 | Weight sensor device | — | 1994-11-08 |
| 5351277 | Method of constructing top slab of nuclear reactor container and nuclear reactor container constructed by the method | Tadao Suzuki | 1994-09-27 |
| 5296724 | Light emitting semiconductor device having an optical element | Shiro Ogata, Koichi Imanaka, Yoshinori Ito, Kourou Kitajima | 1994-03-22 |
| 5296439 | Reversible thermosensitive coloring recording medium, recording method, and image display apparatus using the recording medium | Shoji Maruyama, Eiichi Kawamura, Masaru Shimada, Keishi Kubo, Kyoji Tsutsui +5 more | 1994-03-22 |
| 5262828 | Developing bias power unit for use in an image forming apparatus | Tateki Oka, Yasuo Tanaka, Tamotsu Sakuraba, Kazuyoshi Hara, Hitoshi Saito +1 more | 1993-11-16 |
| RE34400 | Method for fabricating isolation region in semiconductor devices | Akira Tabata | 1993-10-05 |
| 5247342 | Light wavelength measuring apparatus including an interference spectroscopic section having a movable portion | Youichi Tamura, Takeshi Tsukamoto, Yasutaka Ichihashi, Takamasa Imai | 1993-09-21 |
| 5245463 | Optical scanner | — | 1993-09-14 |
| 5243390 | Device for conveying developer in a developing device | Shinichi Takemoto, Hirofumi Hasegawa, Naoki Toyoshi, Tateki Oka, Narutaka Yoshida | 1993-09-07 |
| 5130531 | Reflective photosensor and semiconductor light emitting apparatus each using micro Fresnel lens | Yoshinori Ito, Koichi Imanaka, Hiroshi Sekii, Shiro Ogata | 1992-07-14 |
| 5124879 | Electrostatic drive device and circuit for controlling same | — | 1992-06-23 |
| 5097354 | Beam scanner | — | 1992-03-17 |
| 5097296 | Multicolor image forming apparatus using chargers with opposite polarity | Sanji Inagaki, Tetsuya Yamada, Masaaki Yamamoto, Shoichi Tsuge | 1992-03-17 |
| 5068123 | Process for producing recording medium and apparatus therefor | Toshiaki Harada, Noriyoshi Ishikawa | 1991-11-26 |