Issued Patents All Time
Showing 51–66 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4750017 | Composite copying method and color copier for practicing the same | — | 1988-06-07 |
| 4746950 | Color copier | Mitsuru Mamizuka, Hideya Furuta, Yutaka Koizumi | 1988-05-24 |
| 4742371 | Optical system for color copier | Hideya Furuta, Yutaka Koizumi, Kazusige Taguchi | 1988-05-03 |
| 4717965 | Portable image forming device | Harumitsu Mashiko, Syoji Hayashi, Yoshihiro Ogata, Tsuyoshi Yoshimura, Hisashi Kuroda +1 more | 1988-01-05 |
| 4690542 | Color copying apparatus | Hideya Furuta, Yutaka Koizumi, Mitsuru Mamizuka | 1987-09-01 |
| 4690541 | Color electrophotographic copying process | Ituso Ikeda, Katsuo Sakai, Tsukasa Adachi, Satoshi Shinguryo, Hideya Furuta | 1987-09-01 |
| 4664501 | Method of and apparatus for producing duplicates in color | Yutaka Koizumi, Hideya Furuta, Mitsuru Mamizuka, Tsukasa Adachi, Itsuo Ikeda +1 more | 1987-05-12 |
| 4662739 | Method of controlling copying machine operation | Yutaka Koizumi, Mitsuru Mamizuka, Hideya Furuta | 1987-05-05 |
| 4655579 | Multicolored image forming apparatus | Tsukasa Adachi, Satoshi Shinguryo, Hideya Furuta, Itsuo Ikeda, Katsuo Sakai | 1987-04-07 |
| 4296790 | Light tire bodies using thick cords | Ryosaku Tanaka, Toshio Kita, Munetoshi Shimotake, Tsuguyoshi Yamada, Hiroshi Ueda | 1981-10-27 |
| 4290288 | Device for narrowing the breadth of a sheet spring material in an apparatus for manufacturing a taper leaf spring | Mitsushige Kawakubo, Akira Ohno | 1981-09-22 |
| 4289183 | Noiseless lug tires | Masaru Abe, Yasutaka Enoki, Noriyasu Sawada | 1981-09-15 |
| 4285227 | Edge roll assembly for manufacturing a taper leaf spring | Jun Takahashi, Toshiaki Satoh, Akira Ohno | 1981-08-25 |
| 4266418 | Method for manufacturing a taper spring | Jun Takahashi | 1981-05-12 |
| 4265287 | Pneumatic tire having anti-transverse skid property for vehicles which run at high speed under heavy load | Masaru Abe | 1981-05-05 |
| 4215558 | Process of manufacturing a taper leaf spring and its device | Heijiro Shiguma, Jun Takahashi, Akira Ohno | 1980-08-05 |