HT

Hiroyuki Tokuda

Canon: 79 patents #246 of 19,416Top 2%
MC Mitsubishi Chemical: 18 patents #28 of 3,022Top 1%
MS Mu Ionic Solutions: 7 patents #2 of 32Top 7%
DC Dainippon Ink And Chemicals: 3 patents #161 of 1,002Top 20%
Dai Nippon Printing Co.: 2 patents #976 of 2,222Top 45%
SM Suzuki Motor: 2 patents #288 of 1,209Top 25%
DI Dic: 1 patents #467 of 844Top 60%
📍 Ibaraki, CA: #4 of 23 inventorsTop 20%
Overall (All Time): #13,622 of 4,157,543Top 1%
103
Patents All Time

Issued Patents All Time

Showing 51–75 of 103 patents

Patent #TitleCo-InventorsDate
D373138 Ink tank for printer Masanori Takenouchi, Yasuo Kotaki, Yuji Hamasaki 1996-08-27
D372732 Ink tank for printer Yoichi Taneya, Hiroyuki Ishinaga, Tetsuya Sekine 1996-08-13
D372494 Ink tank for printer Masanori Takenouchi, Yasuo Kotaki, Yuji Hamasaki 1996-08-06
D372265 Ink tank for printer Masanori Takenouchi, Yasuo Kotaki, Yuji Hamasaki 1996-07-30
D372267 Ink tank for printer Masanori Takenouchi, Yasuo Kotaki, Yuji Hamasaki 1996-07-30
D372266 Ink tank for printer Masanori Takenouchi, Yasuo Kotaki, Yuji Hamasaki 1996-07-30
D372045 Ink tank for printer Masanori Takenouchi, Yasuo Kotaki, Yuji Hamasaki 1996-07-23
D371804 Combined ink tank holder and printing head for printer Yasuo Kotaki, Yuji Hamasaki, Hideo Saikawa, Toshihiko Ujita, Minoru Nozawa +4 more 1996-07-16
D371389 Ink tank for printer Yoichi Taneya, Hiroyuki Ishinaga, Tetsuya Sekine 1996-07-02
D371160 Ink tank for printer Yasuo Kotaki, Yuji Hamasaki, Hideo Saikawa, Shosaku Kawashima, Masanori Takenouchi +4 more 1996-06-25
D367884 Ink tank for printer Yoichi Taneya, Hiroyuki Ishinaga, Tetsuya Sekine 1996-03-12
D361591 Ink cartridge for printer Tetsuya Sekine, Masahiko Higuma, Tsutomu Abe, Masami Ikeda 1995-08-22
D360895 Ink cartridge for printer Tetsuya Sekine, Masahiko Higuma, Tsutomu Abe, Masami Ikeda 1995-08-01
D359755 Ink cartridge for printer Tetsuya Sekine, Masahiko Higuma, Tsutomu Abe, Masami Ikeda 1995-06-27
D359070 Printing head for printer Tetsuya Sekine 1995-06-06
D357498 Automatic envelope feeder for laser beam printer Hideki Ito 1995-04-18
D357272 Image forming apparatus Ryoko Unishi 1995-04-11
D356818 Printer for electronic computer Tetsuya Sekine 1995-03-28
D356109 Printing head for printer Tsutomu Abe, Eiichiro Shimizu, Tetsuya Sekine 1995-03-07
D356110 Ink cartridge for printer Tetsuya Sekine, Masahiko Higuma, Tsutomu Abe, Masami Ikeda 1995-03-07
D355928 Ink cartridge for printer Tetsuya Sekine, Masahiko Higuma, Tsutomu Abe, Masami Ikeda 1995-02-28
D355930 Ink cartridge for printer Tetsuya Sekine, Masahiko Higuma, Tsutomu Abe, Masami Ikeda 1995-02-28
D354764 Bubble jet printer 1995-01-24
D343858 Laser beam printer Naoki Tashiro, Toshimi Chiba, Hideki Ito, Ryoko Mizuta 1994-02-01
D343414 Laser beam printer Hideki Ito 1994-01-18