YK

Yoshikazu Kumagaya

J- J-Devices: 6 patents #4 of 53Top 8%
Fujitsu Limited: 5 patents #6,029 of 24,456Top 25%
FL Fujitsu Semiconductor Limited: 5 patents #123 of 1,301Top 10%
📍 Rifu, JP: #197 of 2,101 inventorsTop 10%
Overall (All Time): #296,006 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
10236231 Semiconductor device Takeshi Miyakoshi, Sumikazu Hosoyamada, Tomoshige Chikai, Shingo Nakamura, Hiroaki Matsubara +1 more 2019-03-19
10134710 Semiconductor package Takeshi Miyakoshi, Sumikazu Hosoyamada, Tomoshige Chikai, Shingo Nakamura, Hiroaki Matsubara +1 more 2018-11-20
9635762 Semiconductor package Shinji Watanabe, Sumikazu Hosoyamada, Shingo Nakamura, Hiroshi Demachi, Takeshi Miyakoshi +8 more 2017-04-25
9601450 Semiconductor package Takeshi Miyakoshi, Sumikazu Hosoyamada, Tomoshige Chikai, Shingo Nakamura, Hiroaki Matsubara +1 more 2017-03-21
9368474 Manufacturing method for semiconductor device Hiroaki Matsubara, Tomoshige Chikai, Kiminori Ishido, Takashi Nakamura, Hirokazu Honda +8 more 2016-06-14
9362200 Heat sink in the aperture of substrate Hirokazu Honda, Shinji Watanabe, Toshihiro Iwasaki, Kiminori Ishido, Koichiro Niwa +6 more 2016-06-07
8810043 Semiconductor device Takao Nishimura, Akira Takashima, Kouichi Nakamura, Kazuyuki Aiba 2014-08-19
8659168 Wiring board for flip-chip mounting, mounting structure of electronic components on wiring board, and semiconductor device including wiring board Takao Nishimura 2014-02-25
8076769 Semiconductor device and manufacturing method of semiconductor device Takao Nishimura 2011-12-13
8076785 Semiconductor device Takao Nishimura, Akira Takashima, Kouichi Nakamura, Kazuyuki Aiba 2011-12-13
7973404 Relay board provided in semiconductor device, semiconductor device, and manufacturing method of semiconductor device Takao Nishimura, Yoshiaki Narisawa 2011-07-05
6869819 Recognition method of a mark provided on a semiconductor device Mitsuhisa Watanabe, Akira Takashima 2005-03-22
6457633 Method of forming a BGA-type semiconductor device having reliable electrical connection for solder balls Akira Takashima, Kazuya KAMIMURA 2002-10-01
6291895 Method of fabricating semiconductor having through hole Fumihiko Taniguchi, Koji Honna 2001-09-18
6281571 Semiconductor device having an external connection electrode extending through a through hole formed in a substrate Akira Takashima, Fumihiko Ando, Mitsuru Sato, Takashi Suzuki, Kazunari Kosakai 2001-08-28
5953592 Method of fabricating semiconductor having through hole Fumihiko Taniguchi, Koji Honna 1999-09-14