Issued Patents All Time
Showing 126–150 of 191 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4904127 | High-density pneumatic transport method for use in powdered or granular materials and system for practising the method | Akikazu Iwamoto, Masuo Moriyama, Junji Nakagawa | 1990-02-27 |
| 4904128 | High-density pneumatic transport method for use in powder or granular material and system for practising the method | Akikazu Iwamoto, Masuo Moriyama, Atsuroh Sonoda | 1990-02-27 |
| 4881005 | Flat type display device | Hiroshi Watanabe, Shigeo Itoh, Yukio Ogawa, Satoshi Uzawa | 1989-11-14 |
| 4879578 | Paper feeding device and a paper guiding device in a copying apparatus | Masahiko Hisajima, Hiroshi Kimura, Yutaka Shigemura, Isao Yada, Yoichiro Irie +1 more | 1989-11-07 |
| 4861013 | Mechanism for preventing the feeding of more than one sheet of paper at one time | Kiyotaka Shibata | 1989-08-29 |
| 4856941 | High density pneumatic transport method for use in powder or granular material and system for practicing the method | Akikazu Iwamoto, Masuo Moriyama, Atsuroh Sonoda | 1989-08-15 |
| 4851325 | Process for producing silver halide color photographic materials comprising a heterocyclic developing agent | Hideaki Naruse | 1989-07-25 |
| 4814833 | Document size detecting device | Tetsuya Matsushita, Kikunosuke Tsuji, Akira Nakakuma, Hideaki Tsudaka, Hiroshi Kobayashi +1 more | 1989-03-21 |
| 4804618 | Method of treating silver halide color photographic material with at least one ferric complex salt of an organic chelating compound | Shinji Ueda | 1989-02-14 |
| 4800153 | Method for processing silver halide color photographic materials and a color photographic developer composition comprising hydroxylamine and stabilizer | Takatoshi Ishikawa | 1989-01-24 |
| 4791336 | Fluorescent composition and fluorescent luminous device | Hitoshi Toki, Yoshitaka Satoh | 1988-12-13 |
| 4789500 | Optical control element | Toshinori Takagi, Kakuei Matsubara | 1988-12-06 |
| 4770310 | Casing for display device | Shigeo Itoh, Hiroshi Watanabe, Mikio Yokoyama, Takeshi Tonegawa | 1988-09-13 |
| 4769316 | Method for restraining the formation of re-reversal negative image in direct positive silver halide photographic materials | Tsutomu Miyasaki, Shigeo Hirano | 1988-09-06 |
| 4766526 | Light source | Hitoshi Toki | 1988-08-23 |
| 4757234 | Fluorescent display device | Youichi Ikuta, Hiroshi Watanabe | 1988-07-12 |
| 4755717 | Fluorescent display apparatus | Hiroshi Kukimoto, Hitoshi Toki | 1988-07-05 |
| 4755438 | Aluminum film coated copper material | Toshinori Takagi | 1988-07-05 |
| 4733139 | Fluorescent display device | — | 1988-03-22 |
| 4729942 | Method for forming an image | Osamu Takahashi | 1988-03-08 |
| 4730205 | Toner collecting apparatus | Tadakazu Ogiri, Yoshiaki Yanagida, Yasuyuki Ishiguro, Hirofumi Ozaki, Takashi Maekawa +2 more | 1988-03-08 |
| 4724106 | Process for forming organic film | Toshinori Takagi | 1988-02-09 |
| 4723119 | Large-sized color display device | — | 1988-02-02 |
| 4692019 | Document size detecting device | Masuo Kawamoto, Hiroshi Kobayashi, Masahiro Hashizume, Hideaki Tsudaka, Hiroshi Kimura | 1987-09-08 |
| 4675572 | Write head of optical printer | Hiroshi Watanabe | 1987-06-23 |