RK

Ryoichi Kajiwara

HI Hitachi: 18 patents #2,067 of 28,497Top 8%
RE Renesas Electronics: 9 patents #397 of 4,529Top 9%
HS Hitachi Tohbu Semiconductor: 8 patents #12 of 223Top 6%
RT Renesas Technology: 5 patents #592 of 3,337Top 20%
HC Hitachi Cable: 1 patents #530 of 1,086Top 50%
RS Renesas Eastern Japan Semiconductor: 1 patents #25 of 82Top 35%
HS Hitachi Automotive Systems: 1 patents #965 of 1,636Top 60%
Overall (All Time): #108,312 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 1–25 of 33 patents

Patent #TitleCo-InventorsDate
9736952 Vehicle-mounted electronic module Toshiaki Ishii, Masaru Kamoshida 2017-08-15
9209044 Metal-resin composite, method for producing the same, busbar, module case, and resinous connector part Shigehisa Motowaki, Yusuke Asaumi 2015-12-08
9177833 Semiconductor device and method of manufacturing the same Takuya Nakajo, Masaki Tamura, Yasushi Takahashi, Keiichi Okawa, Sigehisa Motowaki +1 more 2015-11-03
8975747 Wiring material and semiconductor module using the same Takashi Ando, Hiroshi Hozoji 2015-03-10
8816411 Mosfet package Masahiro Koizumi, Toshiak Morita, Kazuya Takahashi, Munehisa Kishimoto, Shigeru Ishii +5 more 2014-08-26
8643185 Semiconductor apparatus, manufacturing method of semiconductor apparatus, and joint material Kazutoshi Itou, Hiroi Oka, Takuya Nakajo, Yuichi Yato 2014-02-04
8629352 Enameled insulated wire and manufacturing method thereof Yoshiyuki Ando, Tomiya Abe, Shigehisa Motowaki 2014-01-14
8492202 Semiconductor device and method of manufacturing the same Shigehisa Motowaki, Kazutoshi Ito, Toshiaki Ishii, Katsuo Arai, Takuya Nakajo +1 more 2013-07-23
8455986 Mosfet package Masahiro Koizumi, Toshiaki Morita, Kazuya Takahashi, Munehisa Kishimoto, Shigeru Ishii +5 more 2013-06-04
8314484 Semiconductor device and method of manufacturing the same Shigehisa Motowaki, Kazutoshi Ito, Toshiaki Ishii, Katsuo Arai, Takuya Nakajo +1 more 2012-11-20
8313983 Fabrication method for resin-encapsulated semiconductor device Shigehisa Motowaki, Kazutoshi Itou, Hiroshi Hozoji 2012-11-20
8303854 Sintering silver paste material and method for bonding semiconductor chip Shigehisa Motowaki, Yusuke Asaumi 2012-11-06
8183607 Semiconductor device Masahiro Koizumi, Toshiaki Morita, Kazuya Takahashi, Munehisa Kishimoto, Shigeru Ishii +5 more 2012-05-22
7985991 MOSFET package Masahiro Koizumi, Toshiaki Morita, Kazuya Takahashi, Munehisa Kishimoto, Shigeru Ishii +5 more 2011-07-26
7964975 Metal-resin-boned structured body and resin-encapsulated semiconductor device, and fabrication method for them Shigehisa Motowaki, Kazutoshi Itou, Hiroshi Hozoji 2011-06-21
7879455 High-temperature solder, high-temperature solder paste and power semiconductor using same Kazutoshi Itou 2011-02-01
7816780 Semiconductor apparatus and manufacturing method of semiconductor apparatus Kazutoshi Ito 2010-10-19
7608917 Power semiconductor module Kazuhiro Suzuki, Toshiaki Ishii, Kazutoshi Itou 2009-10-27
7400002 MOSFET package Masahiro Koizumi, Toshiaki Morita, Kazuya Takahashi, Munehisa Kishimoto, Shigeru Ishii +5 more 2008-07-15
7394146 MOSFET package Masahiro Koizumi, Toshiaki Morita, Kazuya Takahashi, Munehisa Kishimoto, Shigeru Ishii +5 more 2008-07-01
7342267 MOSFET package Masahiro Koizumi, Toshiaki Morita, Kazuya Takahashi, Munehisa Kishimoto, Shigeru Ishii +5 more 2008-03-11
7332757 MOSFET package Masahiro Koizumi, Toshiaki Morita, Kazuya Takahashi, Munehisa Kishimoto, Shigeru Ishii +5 more 2008-02-19
6798072 Flip chip assembly structure for semiconductor device and method of assembling therefor Masahiro Koizumi, Toshiaki Morita, Kazuya Takahashi, Asao Nishimura, Masayoshi Shinoda 2004-09-28
6784554 Semiconductor device and manufacturing method thereof Masahiro Koizumi, Masayoshi Shinoda, Akihiko Narisawa, Asao Nishimura, Toshiaki Morita +2 more 2004-08-31
6774466 Semiconductor device Masahiro Koizumi, Toshiaki Morita, Kazuya Takahashi, Munehisa Kishimoto, Shigeru Ishii +5 more 2004-08-10