Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6798580 | Projection type image display apparatus | Hiroki Yoshikawa, Satoshi Ouchi, Taro Imahase, Tomohiro Miyoshi | 2004-09-28 |
| 6462794 | Image forming unit, enlarging unit, optical parts, and image display apparatus having these components | Hiroki Yoshikawa, Hideo Tanide, Takesuke Maruyama, Goro Ohnishi, Takashi Iwata +1 more | 2002-10-08 |
| 6201516 | Projector, projecting system, system for sensation and method of manufacturing translucent screen | Hideo Tanide, Hiroki Yoshikawa | 2001-03-13 |
| 5926153 | Multi-display apparatus | Takahiko Yoshida, Hiroki Yoshikawa, Yutaka Matsuda, Hideo Tanide, Shigeru Mori +2 more | 1999-07-20 |
| 5833340 | Sensory integration system and image display device and concave mirror for use in the same system | Hiroki Yoshikawa, Hideo Tanide | 1998-11-10 |
| 5808704 | Rear projection type image display apparatus | Hiroki Yoshikawa, Takahiko Yoshida, Kiyoshi Wada, Shigeru Mori, Toshimitsu Watanabe +12 more | 1998-09-15 |
| 5295018 | Polarization transforming optics, polarizing beam splitter and liquid crystal display | Nobuhiro Konuma, Hiroshi Jitsukata, Kyohei Fukuda | 1994-03-15 |
| 5089576 | Process for producing conjugated diene copolymer | Suguru Tsuji, Toshiaki Saya, Shinji Komiyama, Hayato Furusho, Mitsuhiro Tamura | 1992-02-18 |
| 5019630 | Rubbery copolymer, process for production thereof, and vulcanizable elastomer composition | Takeshi Chida, Mitsuyoshi Aonuma, Akio Maeda, Yukihiko Morozumi | 1991-05-28 |
| 4968753 | Acrylonitrile rubber with quinoline compound, organic peroxide, crosslinking agent | Motofumi Oyama | 1990-11-06 |
| 4918683 | Optical information medium having a base plate made of polymethylmethacrylate which is a copolymer of methyl methacrylate and methyl acrylate | Yoshie Kodera, Hisashi Kabe, Jun Matsumoto | 1990-04-17 |
| 4645712 | Information recording medium | Masaji Ishigaki, Nobuhiro Tokusyuku, Yoshie Kodera, Yukio Fukui | 1987-02-24 |
| RE31322 | Process for producing sulfur-curable acrylic rubbers | Kohichi Handa, Haruo Ueno | 1983-07-26 |
| 4384081 | Process for production of hydrogenated conjugated diene polymers | Yoichiro Kubo, Kiyomori Ohura | 1983-05-17 |
| 4255567 | Process for producing NBR with octyl-to decyl sulfates | Nagatosh Sugi | 1981-03-10 |
| 4248985 | Sulfur-curable acrylic rubber composition | Kohichi Handa, Haruo Ueno | 1981-02-03 |
| 4228265 | Process for producing sulfur-curable acrylic rubbers | Kohichi Handa, Haruo Ueno | 1980-10-14 |