Issued Patents All Time
Showing 51–75 of 75 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5737272 | Liquid crystal display apparatus, structure for mounting semiconductor device, method of mounting semiconductor device, electronic optical apparatus and electronic printing apparatus | Eiji Muramatsu, Masaru Kamimura, Shigetoshi Yamada, Kenichi Maruyama, Seiichi Sakura +2 more | 1998-04-07 |
| 5710746 | Magneto-optical recording medium and reading method with magnetic layers of different coercivity | Hajime Utsunomiya, Isamu Kuribayashi, Masanori Kosuda, Hiroyasu Inoue | 1998-01-20 |
| 5620766 | Magneto-optical disk | Masanori Shibahara, Michiki Naganawa | 1997-04-15 |
| 5593789 | Magneto-optical recording medium | Hajime Utsunomiya, Masanori Kosuda, Hiroyasu Inoue | 1997-01-14 |
| 5577020 | Magneto-optical disc with intermediate film layer between a recording film and a dielectric film | Hajime Utsunomiya, Masanori Kosuda, Hiroyasu Inoue | 1996-11-19 |
| 5573881 | Toner composition for electrophotography | Shoji Kawasaki, Nobuhiro Hirayama, Hisatomo Sato, Hiromi Akiyama, Katuo Uramoto | 1996-11-12 |
| 5571629 | Optical recording medium | Hajime Utsunomiya, Hideki Hirata, Hideki Ishizaki, Suguru Takayama | 1996-11-05 |
| 5502110 | Resin composition for electrophotographic toner | Katsuru Matsumoto, Nobuhiro Hirayama, Shoji Kawasaki, Tamami Fukui, Katsuo Uramoto | 1996-03-26 |
| 5468585 | Resin composition for use in an electrophotographic toner | Katsuru Matsumoto, Nobuhiro Hirayama, Shoji Kawasaki, Katsuo Uramoto, Tamami Fukui | 1995-11-21 |
| 5415914 | Optical recording disk | Hiroyuki Arioka, Mamoru Usami, Atsuko Motai, Toshiki Aoi | 1995-05-16 |
| 5406546 | Magneto-optical disk | Hirokazu Fujioka, Masanori Shibahara | 1995-04-11 |
| 5389483 | Electrophotographic toner having two ethylene polymers | Shoji Kawasaki, Nobuhiro Hirayama, Hisatomo Sato, Hiromi Akiyama | 1995-02-14 |
| 5370958 | Electrophotographic toner and production process thereof | Masaaki Shin, Yasuo Okada | 1994-12-06 |
| 5362595 | Electrophotographic toner production process | Nobuhiro Hirayama, Masaaki Shin, Shoji Kawasaki, Akira Misawa, Akio Fujiwara | 1994-11-08 |
| 5325351 | Optical recording medium having a reflective layer made of Cu-Ag or Cu-Au alloy | Mamoru Usami | 1994-06-28 |
| 5266434 | Electrophotographic toner composition | Nobuhiro Hirayama, Shoji Kawasaki, Hisatomo Sato, Hiromi Akiyama | 1993-11-30 |
| 5230978 | Electrophotographic toner composition | Shoji Kawasaki, Nobuhiro Hirayama, Hisatomo Sato, Hiromi Akiyama | 1993-07-27 |
| 5084368 | Electrophotographic toner | Nobuhiro Hirayama, Masaaki Shin, Shoji Kawasaki, Akira Misawa, Akio Fujiwara | 1992-01-28 |
| 5068501 | Tape end switch detecting device for tape player | Susumu Yoshida, Sei Onishi | 1991-11-26 |
| 5036407 | Device for detecting tape characteristics and head position | Susumu Yoshida, Sei Onishi | 1991-07-30 |
| 4902584 | Optical recording medium | Hideki Ishizaki, Hajime Utsunomiya, Suguru Takayama | 1990-02-20 |
| 4861656 | Optical recording medium | Hideki Ishizaki, Suguru Takayama | 1989-08-29 |
| 4849304 | Optical recording medium | Hideki Ishizaki, Hajime Utsunomiya, Suguru Takayama | 1989-07-18 |
| 4833057 | Toner composition for the electrophotography | Akira Misawa, Hisatomo Sato, Keiichi Ishikawa, Masaaki Shin, Akio Fujiwara +2 more | 1989-05-23 |
| 4323600 | Process for metallic coat finishing | Kenji Sakata, Toshiaki Yamada, Yugo Hasegawa | 1982-04-06 |