Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
GM

Gen Murakami

Hitachi: 66 patents #126 of 28,497Top 1%
HCHitachi Cable: 11 patents #38 of 1,086Top 4%
TITexas Instruments: 4 patents #3,281 of 12,488Top 30%
RTRenesas Technology: 4 patents #758 of 3,337Top 25%
HSHitachi Microcomputer System: 3 patents #41 of 257Top 20%
HEHitachi Vlsi Engineering: 3 patents #237 of 666Top 40%
SCStanley Electric Co.: 2 patents #339 of 1,072Top 35%
HSHitachi Tohbu Semiconductor: 1 patents #126 of 223Top 60%
DCDia Nippon Printing Co.: 1 patents #1 of 18Top 6%
Overall (All Time): #22,298 of 4,157,543Top 1%
81 Patents All Time

Issued Patents All Time

Showing 1–25 of 81 patents

Patent #TitleCo-InventorsDate
7476913 Light emitting device having a mirror portion Hiroyuki Isobe, Toshikatsu Hiroe 2009-01-13
7317181 Light-emitting unit and method for producing same as well as lead frame used for producing light-emitting unit Tetsuya Saito, Atsushi Otaka, Toshiaki Morikawa, Tomoaki Abe, Dai Aoki 2008-01-08
6995510 Light-emitting unit and method for producing same as well as lead frame used for producing light-emitting unit Tetsuya Saito, Atsushi Otaka, Toshiaki Morikawa, Tomoaki Abe, Dai Aoki 2006-02-07
6981585 Surface package type semiconductor package and method of producing semiconductor memory Wahei Kitamura, Kunihiko Nishi 2006-01-03
6919622 Semiconductor device Kunihiro Tsubosaki, Masahiro Ichitani, Kunihiko Nishi, Ichiro Anjo, Asao Nishimura +19 more 2005-07-19
6855893 Wiring board, semiconductor device, electronic device, and circuit board for electronic parts Toyohiko Kumakura, Tomo Yasuda, Masahiko Kobayashi, Hidetoshi Murakami 2005-02-15
6720208 Semiconductor device Kunihiro Tsubosaki, Masahiro Ichitani, Kunihiko Nishi, Ichiro Anjo, Asao Nishimura +19 more 2004-04-13
6531760 Semiconductor device Kunihiro Tsubosaki, Masahiro Ichitani, Kunihiko Nishi, Ichiro Anjo, Asao Nishimura +19 more 2003-03-11
6443298 Surface package type semiconductor package and method of producing semiconductor memory Wahei Kitamura, Kunihiko Nishi 2002-09-03
6433409 Semiconductor device, lead-patterning substrate, and electronics device, and method for fabricating same Mamoru Mita 2002-08-13
6426548 Semiconductor device, lead-patterning substrate, and electronics device, and method for fabricating same Mamoru Mita 2002-07-30
RE37539 Sealed stacked arrangement of semiconductor devices Satoshi Oguchi, Masamichi Ishihara, Kazuya Ito, Ichiro Anjoh, Toshiyuki Sakuta +7 more 2002-02-05
6326681 Semiconductor device Kunihiro Tsubosaki, Masahiro Ichitani, Kunihiko Nishi, Ichiro Anjo, Asao Nishimura +19 more 2001-12-04
6303982 Semiconductor device Kunihiro Tsubosaki, Masahiro Ichitani, Kunihiko Nishi, Ichiro Anjo, Asao Nishimura +19 more 2001-10-16
6297142 Method for bonding a semiconductor chip to a lead-patterning substrate using a gold/tin alloy Mamoru Mita 2001-10-02
6223893 Surface package type semiconductor package and method of producing semiconductor memory Wahei Kitamura, Kunihiko Nishi 2001-05-01
6204552 Semiconductor device Kunihiro Tsubosaki, Masahiro Ichitani, Kunihiko Nishi, Ichiro Anjo, Asao Nishimura +19 more 2001-03-20
6130114 Semiconductor device Kunihiro Tsubosaki, Masahiro Ichitani, Kunihiko Nishi, Ichiro Anjoh, Asao Nishimura +19 more 2000-10-10
6124629 Semiconductor device including a resin sealing member which exposes the rear surface of the sealed semiconductor chip Kunihiro Tsubosaki, Masahiro Ichitani, Kunihiko Nishi, Ichiro Anjo, Asao Nishimura +19 more 2000-09-26
6114751 Semiconductor device and electronic device Toyohiko Kumakura, Tomo Yasuda 2000-09-05
6100580 Semiconductor device having all outer leads extending from one side of a resin member Kunihiro Tsubosaki, Masahiro Ichitani, Kunihiko Nishi, Ichiro Anjo, Asao Nishimura +19 more 2000-08-08
6100115 Semiconductor device Kunihiro Tsubosaki, Masahiro Ichitani, Kunihiko Nishi, Ichiro Anjo, Asao Nishimura +19 more 2000-08-08
6081023 Semiconductor device Kunihiro Tsubosaki, Masahiro Ichitani, Kunihiko Nishi, Ichiro Anjoh, Asao Nishimura +19 more 2000-06-27
6072231 Semiconductor device Kunihiro Tsubosaki, Masahiro Ichitani, Kunihiko Nishi, Ichiro Anjoh, Asao Nishimura +19 more 2000-06-06
6069029 Semiconductor device chip on lead and lead on chip manufacturing Kunihiro Tsubosaki, Masahiro Ichitani, Kunihiko Nishi, Ichiro Anjo, Asao Nishimura +19 more 2000-05-30