TK

Tatsuya Kubo

Ricoh Company: 50 patents #228 of 9,818Top 3%
CK Casio Keisanki: 12 patents #19 of 124Top 20%
SI Sumitomo Rubber Industries: 12 patents #153 of 1,637Top 10%
Casio Computer Co.: 3 patents #744 of 1,970Top 40%
DE Denso: 3 patents #3,857 of 11,792Top 35%
RS Ricoh Printing Systems: 2 patents #64 of 200Top 35%
GC Goo Chemical Co.: 2 patents #11 of 39Top 30%
SO Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #19,792 of 4,157,543Top 1%
85
Patents All Time

Issued Patents All Time

Showing 76–85 of 85 patents

Patent #TitleCo-InventorsDate
D453485 Parting screen plate for a wrist watch 2002-02-12
D448680 Wrist watch 2001-10-02
6273319 Wave soldering method and system used for the method Ataru Ichikawa, Atsushi Furumoto, Kenji Arai, Mitsuhiro Sugiura, Misao Tanaka 2001-08-14
6257480 Jet soldering method and apparatus Atushi Furumoto, Ataru Ichikawa, Misao Tanaka, Mitsuhiro Sugiura, Kenji Arai 2001-07-10
6218907 Frequency comparator and PLL circuit using the same Ryo Tamaki 2001-04-17
D426486 Portion of watch band Akihiro Sugisawa 2000-06-13
D407027 Watch case Akira Tanaka 1999-03-23
D391860 Watch case 1998-03-10
D352463 Combined portable timepiece and hemadynometer 1994-11-15
D304691 Portable clock 1989-11-21