Issued Patents All Time
Showing 101–121 of 121 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663602 | Spindle motor | Jun Inoue | 1997-09-02 |
| 5604940 | Movable bathtub unit having a function of emitting air-bubble jet | — | 1997-02-25 |
| 5602950 | Optical star coupler | Tetsuya Saitoh, Takeshi Kobayashi | 1997-02-11 |
| 5593799 | Exposure mask | Toshiro Tsumori | 1997-01-14 |
| 5568580 | Optical star-coupler | Tetsuya Saitoh | 1996-10-22 |
| 5537969 | Cylinder block | Tsunehisa Hata, Kenji Matsumoto | 1996-07-23 |
| 5432044 | Method of forming a pattern using a phase shifting mask | — | 1995-07-11 |
| 5397663 | Phase shift mask and method of manufacturing the same | Fumikatsu Uesawa, Michio Negishi | 1995-03-14 |
| 5318623 | Process for producing metal phthalocyanine pigment | Shinichi Azuma, Takashi Kano, Takanori Miyake | 1994-06-07 |
| 5260152 | Phase shifting mask and method of manufacturing same | Hiroichi Hawahira | 1993-11-09 |
| 5067117 | Output stabilizing apparatus for an optical head | Yasuhiro Takahashi | 1991-11-19 |
| 4955550 | Quantitative feeding apparatus usable for pulverized and/or granular material and batch type multi-colored automatic feeding apparatus | Hideo SATAKE, Hozumi Tanaka | 1990-09-11 |
| 4943380 | Antistatic resin composition with transparency containing phosphonium sulphonate | Masato Sugiura, Shigeru Imamura, Fumitoshi Sugiura | 1990-07-24 |
| 4810733 | Color concentrates | Noburu Sakuma | 1989-03-07 |
| 4740869 | Electrolytic capacitor | Takeshi Morimoto, Toshiya Matsubara, Yoshiki Hamatani, Naoto Iwano, Shigeo Komatsu +1 more | 1988-04-26 |
| 4734821 | Electrolytic capacitor | Takeshi Morimoto, Yoshiki Hamatani, Toshiya Matsubara, Naoto Iwano | 1988-03-29 |
| 4686138 | Direct image offset printing plates | Koji Toyama | 1987-08-11 |
| 4527208 | Tape loading device for magnetic recording and/or reproducing apparatus | Shin Okita, Noriyuki Yamazaki, Fumio Sekiguchi, Toshihiko Chimura, Osamu Shinagawa | 1985-07-02 |
| 4419147 | Phosphating process of metal surface | Ryoichi Murakami, Takashi Yoshii, Minoru Ishida, Hiroto Yonekura | 1983-12-06 |
| 4292096 | Phosphating process of metal surface | Ryoichi Murakami, Takashi Yoshii, Minoru Ishida, Hiroto Yonekura | 1981-09-29 |
| 4287004 | Dip phosphating process | Ryoichi Murakami, Syuzi Sato | 1981-09-01 |