KJ

Koichiro Jinnai

Ricoh Company: 29 patents #656 of 9,818Top 7%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #133,073 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDate
5208612 Image recording apparatus constituting of selectable units Makoto Obu, Minoru Suzuki, Koichi Noguchi, Takashi Mori, Akira Ishida 1993-05-04
4642653 Multi-tone recording method for ink jet printer Tadashi Ito, Takahisa Koike, Toshiharu Murai, Takao Fukazawa, Kazumi Ishima 1987-02-10
4626874 Liquid level detector for ink jet printer Toshiharu Murai, Minoru Ameyama, Michio Umezawa 1986-12-02
4604631 Control system and method for charge control ink jet printer Takao Fukazawa, Tadashi Ito, Takahisa Koike, Toshiharu Murai, Kazumi Ishima 1986-08-05
4598299 Deflection control ink jet printing apparatus Takahisa Koike, Takao Fukazawa, Kazumi Ishima, Toshiharu Murai, Tadashi Itoh +1 more 1986-07-01
4595948 Multicolor ink jet recording apparatus having means for preventing blurring of ink Tadashi Itoh, Toshiharu Murai, Kazumi Ishima, Takahisa Koike, Toshifumi Kato +1 more 1986-06-17
4562442 Ink-jet printing apparatus Masanori Horike 1985-12-31
4542385 Ink jet printing apparatus Yutaka Ebi 1985-09-17
4527170 Ink jet waste and replenish ink system Kyuhachiro Iwasaki, Minoru Ameyama, Yutaka Ebi, Tsutomu Sato 1985-07-02
4521789 Ink viscosity regulation for ink jet printer 1985-06-04
4499475 Ink jet printing apparatus 1985-02-12
4491852 Ink jet printing apparatus using guard drops 1985-01-01
4438440 Print-distortion compensating device for the ink jet printing apparatus Yutaka Ebi 1984-03-20
4437101 Ink jet printing apparatus Yutaka Ebi, Takao Fukazawa, Toshio Kawakubo, Masanori Horike, Kyuhachiro Iwasaki +2 more 1984-03-13
4393385 Controllable ink drop velocity type ink-jet printer Masanori Horike, Kyuhachiro Iwasaki, Yutaka Kodama 1983-07-12
4371878 Device for correcting ink dot misplacement in ink-jet printing 1983-02-01
4369964 Sheet feed apparatus for printer or the like Michio Umezawa 1983-01-25
4365255 Ink jet printer Masanori Horike, Kyuhachiro Iwasaki, Yutaka Kodama 1982-12-21
4364060 Nozzle position deviation compensation arrangement for ink jet printing device Masanori Horike, Kyuhachiro Iwasaki, Yutaka Kodama 1982-12-14
4358775 Ink jet printing apparatus 1982-11-09
4328505 Ink jet printing apparatus 1982-05-04
4313123 Controllable ink drop velocity type ink-jet printer Masanori Horike, Kyuhachiro Iwasaki, Yutaka Kodama 1982-01-26
4293865 Ink-jet recording apparatus Masanori Horike, Kyuhachiro Iwasaki, Yutaka Kodama 1981-10-06
4290073 Ink-jet recording apparatus Kyuhachiro Iwasaki 1981-09-15
4288797 Variable-charge type ink-jet printer Masanori Horike, Kyuhachiro Iwasaki, Yutaka Kodama 1981-09-08