Issued Patents All Time
Showing 51–75 of 89 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5266277 | Fluidized bed gas dispersing device | Hideshi Katayama, Hiroshi Itaya, Masahiko Satoh | 1993-11-30 |
| 5235458 | Binocular | Katsuhito Akagi, Haruyuki Nagano, Makoto Kamiya, Masatoshi Yoneyama, Iwao Ishida +1 more | 1993-08-10 |
| 5229064 | Fluidized bed type preliminary reducing furnace for oxide raw material | Teruo Kanetsuna | 1993-07-20 |
| 5227559 | Process for preparing alkyl-subtituted aromatic hydrocarbons | Masami Fukao, Takuo Hibi, Masahiro Usui, Gohfu Suzukamo | 1993-07-13 |
| 5086355 | Focal length changeable lens system | Yoshinobu Kudo | 1992-02-04 |
| 5012228 | Method of operation for an active matrix type display device | Kiyoshi Masuda, Shigeto Kohda, Shigenobu Sakai, Tomoyoshi Nomura | 1991-04-30 |
| 4983026 | Focal length changeable lens system | Yoshinobu Kudo | 1991-01-08 |
| 4892398 | Triplet type objective with a diaphragm arranged behind the lens system | Yoshinobu Kudo, Akira Fukushima, Mitsuko Date | 1990-01-09 |
| 4843227 | Focus detecting apparatus with both passive and active focus capability | Toru Matsui | 1989-06-27 |
| 4798765 | Perpendicular magnetic recording medium | Yasuo Ishizaka, Noboru Watanabe, Eiichiro Imaoka | 1989-01-17 |
| 4792486 | Perpendicular magnetic recording medium | Yasuo Ishizaka, Noboru Watanabe, Eiichiro Imaoka | 1988-12-20 |
| 4787724 | Triplet type objective with a diaphragm arranged behind the lens system | Yoshinobu Kudo, Akira Fukushima | 1988-11-29 |
| 4777309 | Continuous process for producing 5-vinyl-2-norbornene | Masahiro Usui, Fujio Masuko | 1988-10-11 |
| 4763997 | Viewfinder optical system of inverted Galilean type with great magnification | Taro Shibuya | 1988-08-16 |
| 4755596 | Optically active carbacephems | Tadashi Hirata, Yukio Hashimoto, Takehiro Ogasa, Shigeru Kobayashi, Ikuo Matsukuma | 1988-07-05 |
| 4745510 | Perpendicular magnetic recording and reproducing system | Noboru Watanabe, Yasuo Ishizaka, Eiichiro Imaoka | 1988-05-17 |
| 4731300 | Perpendicular magnetic recording medium and manufacturing method thereof | Noboru Watanabe, Yasuo Ishizaka, Eiichiro Imaoka | 1988-03-15 |
| 4727204 | Process for preparing 5-ethylidene-2-norbornene with high quality | Gohfu Suzukamo, Masami Fukao, Fujio Masuko, Masahiro Usui | 1988-02-23 |
| 4726654 | Multi-layered anti-reflection coating | Shizuyo Morikage | 1988-02-23 |
| 4708696 | Tensioner for toothed drive belts | Masao Maruyama | 1987-11-24 |
| 4697878 | Bi-level focusing plate of phase grating type | Tetsuyuki Tanimoto, Hiroshi Kobayashi | 1987-10-06 |
| 4664061 | Spraying booth | Koji Morioka, Hideaki Tojo, Susumu Yoshida | 1987-05-12 |
| 4650293 | Albada finder optical system of inverted Galilean type | Taro Shibuya | 1987-03-17 |
| 4595964 | Magnetic head and method of making the same | Kunihide Sakai, Chikara Inoue, Hiroyuki Hayashi, Toyoaki Takayasu, Yasuhiro Ayabe +1 more | 1986-06-17 |
| 4593984 | Viewfinder lens system | Hiromu Mukai, Taro Shibuya | 1986-06-10 |