Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6771336 | Optical diffusion element having self-fused polymer particles free of a binder and display device equipped with the optical diffusion element | Yuichi Wakata | 2004-08-03 |
| 5493117 | Apparatus and method for glow discharge treatment of a moving web using electrodes fitted into a single common socket and having end portions covered by electrically conductive shields | Hiroyuki Tamaki | 1996-02-20 |
| 4956251 | Multicolor heat-sensitive recording material | Shintaro Washizu, Toshimasa Usami, Jun Yamaguchi | 1990-09-11 |
| 4857501 | Manufacturing method of a heat sensitive recording material | Toshimasa Usami, Akihiro Shimomura, Seiji Hatakeyama | 1989-08-15 |
| 4824721 | Donor sheet for heat transfer recording | Yutaka Fujita | 1989-04-25 |
| 4778781 | Pressure-sensitive recording paper containing microcapsules | Shintarou Washizu, Keiso Saeki | 1988-10-18 |
| 4760048 | Multicolor heat-sensitive recording material | Nobuhiro Kurihara, Jun Yamaguchi, Toshimasa Usami | 1988-07-26 |
| 4758495 | Diazo microcapsule recording material prepared using ion exchange treatment | Jun Yamaguchi, Toshimasa Usami | 1988-07-19 |
| 4749679 | Heat sensitive recording materials | Shohei Yoshida, Toshiaki Endo, Toshimasa Usami | 1988-06-07 |
| 4542093 | Photographic silverhalide material containing two subbing layers | Tamotsu Suzuki, Sumio Nishikawa | 1985-09-17 |
| 4487802 | Magnetic recording medium | Takahito Miyoshi, Toshimitu Okutu, Masaaki Fujiyama, Nobuo Tsuji | 1984-12-11 |
| 4474871 | Method for processing photographic material | Akira Hatakeyama, Takashi Naoi | 1984-10-02 |
| 4472467 | Polymer surface treating method | Hiroyuki Tamaki | 1984-09-18 |
| 4423089 | Subbing process for photographic light-sensitive materials | Masayoshi Sekiya, Masao Yabe, Tamotsu Suzuki, Takeji Ochiai | 1983-12-27 |
| 4407939 | Photographic light-sensitive material with subbing layers | Takashi Naoi, Hiroshi Kawasaki, Jun Yamaguchi, Hidefumi Sera | 1983-10-04 |
| 4308344 | Process for production of a photographic light-sensitive material | Takenori Omichi, Takeshi Konno | 1981-12-29 |
| 4281060 | Heat-developable photosensitive materials | Toshimasa Usami, Tomoyuki Kobayashi, Shigeo Komine | 1981-07-28 |
| 4265946 | Process for forming a subbing layer on a plastic support | Masao Yabe, Takeji Ochiai, Tamotsu Suzuki, Masayoshi Sekiya | 1981-05-05 |
| 4254208 | Photographic material | Masuhiko Hirose, Hiroshi Amari | 1981-03-03 |