Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE35528 | Image recording apparatus having a toner supply tank and a toner recovery tank configured into a unitary, disposable magazine | Yozo Matsuura, Kazuhiro Yuasa, Hiroshi Saitoh, Hiroyuki Kiyoi, Masanori Yoshimura +2 more | 1997-06-10 |
| 5433933 | Method of purifying oxygen-excess exhaust gas | Akinori Eshita, Senshi Kasahara, Shinichi Matsumoto, Kazunobu Ishibashi, Koji Yokota | 1995-07-18 |
| D356108 | Toner replenisher | — | 1995-03-07 |
| 5330732 | Method for purifying exhaust gases | Kazunobu Ishibashi, Shinichi Matsumoto, Yasuhide Utsumi | 1994-07-19 |
| 5327197 | Electrophotographic apparatus | Yozo Matsuura, Hiromichi Ema, Eiji Takenaka, Hiroshi Saitoh | 1994-07-05 |
| 5270024 | Process for reducing nitrogen oxides from exhaust gas | Senshi Kasahara, Katsumi Kamiyama, Kazushige Igawa, Shinichi Matsumoto, Masayuki Fukui +5 more | 1993-12-14 |
| 5268720 | Electrophotographic recording apparatus having magazine unit for storing developer | Hiroshi Saitoh, Masanori Yoshimura, Yozo Matsuura | 1993-12-07 |
| 5255061 | Image forming apparatus with a first and second lid | Yozo Matsuura, Kazuhiro Yuasa | 1993-10-19 |
| 5154902 | Exhaust gas purifying catalyst and exhaust gas purifying process | Tomoyuki Inui, Hideaki Muraki, Akio Isogai, Shinichi Matsumoto | 1992-10-13 |
| 5126799 | Image recording apparatus having a toner supply tank and a toner recovery tank configured into a unitary, disposable magazine | Yozo Matsuura, Kazuhiro Yuasa, Hiroshi Saitoh, Hiroyuki Kiyoi, Masanori Yoshimura +2 more | 1992-06-30 |
| 5041270 | Method of purifying exhaust gases | Yoshiyasu Fujitani, Hideaki Muraki, Masayuki Fukui | 1991-08-20 |
| 4801620 | Catalyst for hydrocarbon synthesis | Yoshiyasu Fujitani, Hideaki Muraki | 1989-01-31 |
| 4760750 | Vibration absorption apparatus for reciprocating object | — | 1988-08-02 |
| 4601258 | Electrophotographic developing device having toner removing means | — | 1986-07-22 |
| 4566776 | Magnetic toner developing device | — | 1986-01-28 |
| 4537491 | Development apparatus for developing latent electrostatic images | Kenya Komada, Kazuhiro Yuasa | 1985-08-27 |
| 4367162 | Catalyst for purifying exhaust gases and a method for producing the catalyst | Yoshiyasu Fujitani, Hideaki Muraki, Makoto Tomita, Tamotsu Nakamura, Kouji Yokota +1 more | 1983-01-04 |
| 4350432 | Development apparatus for developing latent electrostatic images | — | 1982-09-21 |
| 4345555 | Self-heating ignition plug | Yujiro Oshima, Yoshiyasu Fujitani, Hideaki Muraki, Kouji Yokota | 1982-08-24 |
| 4316822 | Catalyst for purifying exhaust gases | Yoshiyasu Fujitani, Hideaki Muraki, Makoto Tomita, Kouji Yokota, Hideo Sobukawa +1 more | 1982-02-23 |
| 4299734 | Catalyst for purifying exhaust gases and method for producing same | Yoshiyasu Fujitani, Hideaki Muraki, Makoto Tomita, Kouji Yokota, Hideo Sobukawa | 1981-11-10 |
| 4239656 | Catalyst for purifying exhaust gases and carrier for the catalyst | Yoshiyasu Fujitani, Hideaki Muraki, Kouji Yokota | 1980-12-16 |