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 26–50 of 103 patents

Patent #TitleCo-InventorsDate
6809889 Radiation curable resin composition for fresnel lens and fresnel lens sheet Yasunobu Hirota, Yasuhiro Doi 2004-10-26
6524757 Color filter and method for producing the same Junichiro Koike, Hisatomo Yonehara, Yasunobu Hirota 2003-02-25
D464081 Ink tank for printer Tatsuo Nanjo, Hiroshi Koshikawa, Toshimi Chiba, Hajime Yamamoto, Shozo Hattori +4 more 2002-10-08
D462382 Ink tank for printer Tatsuo Nanjo, Hiroshi Koshikawa, Toshimi Chiba, Hajime Yamamoto, Shozo Hattori +4 more 2002-09-03
D460107 Ink tank for printer Tatsuo Nanjo, Hiroshi Koshikawa, Toshimi Chiba, Hajime Yamamoto, Shozo Hattori +4 more 2002-07-09
D456835 Ink tank for printer Tatsuo Nanjo, Hiroshi Koshikawa, Toshimi Chiba, Hajime Yamamoto, Shozo Hattori +4 more 2002-05-07
D451540 Printer Aage Granaas 2001-12-04
D430200 Ink tank for printer Yoichi Taneya, Hiroyuki Ishinaga, Tetsuya Sekine 2000-08-29
D404068 Ink tank for printer Tetsuya Sekine, Hiroyuki Ishinaga, Yuji Kamiyama 1999-01-12
D395445 Ink tank for printer Masanori Takenouchi, Yasuo Kotaki, Yuji Hamasaki 1998-06-23
D390597 Printer for electronic computer Masaaki Igarashi 1998-02-10
D382582 Laser beam printer Masaaki Igarashi, Naoki Tashiro, Akira Katsuno 1997-08-19
D381681 Ink tank for printer Masanori Takenouchi 1997-07-29
D378758 Ink tank for printer Masanori Takenouchi, Yasuo Kotaki, Yuji Hamasaki 1997-04-08
D377371 Ink tank for printer Masanori Takenouchi, Yasuo Kotaki, Yuji Hamasaki 1997-01-14
D376172 Ink tank for printer Masanori Takenouchi 1996-12-03
D376173 Ink tank for printer Masanori Takenouchi, Yasuo Kotaki, Yuji Hamasaki 1996-12-03
D376174 Ink tank for printer Masanori Takenouchi, Yasuo Kotaki, Yuji Hamasaki 1996-12-03
D375755 Ink tank for printer Masanori Takenouchi, Yasuo Kotaki, Yuji Hamasaki 1996-11-19
D375522 Ink tank for printer Masanori Takenouchi, Yasuo Kotaki, Yuji Hamasaki 1996-11-12
D375521 Ink tank for printer Masanori Takenouchi, Yasuo Kotaki, Yuji Hamasaki 1996-11-12
D375120 Ink tank for printer Yasuo Kotaki, Yuji Hamasaki, Hideo Saikawa, Shosaku Kawashima, Masanori Takenouchi +4 more 1996-10-29
D374890 Ink tank for printer Masanori Takenouchi, Yasuo Kotaki, Yuji Hamasaki 1996-10-22
D374033 Ink tank for printer Masanori Takenouchi, Yasuo Kotaki, Yuji Hamasaki 1996-09-24
D373596 Printer for electronic computer Tetsuya Sekine 1996-09-10