TF

Tatsuya Furukawa

Ricoh Company: 18 patents #1,197 of 9,818Top 15%
OC Olympus Optical Co.: 7 patents #488 of 2,334Top 25%
OL Olympus: 4 patents #1,098 of 3,097Top 40%
MS Mitsubishi Hitachi Power Systems: 2 patents #298 of 970Top 35%
SE Seiko Epson: 2 patents #4,555 of 7,774Top 60%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
SI Sumitomo Rubber Industries: 1 patents #1,096 of 1,637Top 70%
MP Mitsubishi Power: 1 patents #176 of 508Top 35%
Overall (All Time): #89,883 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 26–37 of 37 patents

Patent #TitleCo-InventorsDate
4989586 Endoscope having a solid-state image pickup device 1991-02-05
4797688 Multi-nozzle ink-jet printer 1989-01-10
4677845 Device for detecting viscosity of liquid Kouji Izumi, Masanori Horike, Hiromichi Komai, Osamu Naruse, Yutaka Ebi 1987-07-07
4626867 Method of preventing unregistered printing in multi-nozzle ink jet printing Masanori Horike 1986-12-02
4558995 Pump for supplying head of ink jet printer with ink under pressure Masanori Horike 1985-12-17
4535339 Deflection control type ink jet recorder Masanori Horike, Yutaka Ebi, Hiroshi Yamazaki 1985-08-13
4510509 Ink ejection head Masanori Horike, Takuro Sekiya, Yutaka Ebi, Takuro Isayama, Masaaki Tachiki 1985-04-09
4504844 Ink jet printing apparatus Yutaka Ebi, Tadashi Fujii, Takuro Sekiya, Masanori Horike, Masaaki Tachiki 1985-03-12
4429317 Ink ejection head Michio Umezawa, Osamu Naruse, Tamio Ohori, Isokazu Furukawa, Sadao Kakeno 1984-01-31
4337470 Ink jet printing apparatus with variable character size 1982-06-29
4322732 Ink jet recording method Sadao Kakeno 1982-03-30
4272771 Ink jet printer with multiple nozzle print head and interlacing or dither means 1981-06-09