MK

Masahiro Koizumi

HI Hitachi: 11 patents #3,813 of 28,497Top 15%
HS Hitachi Tohbu Semiconductor: 8 patents #12 of 223Top 6%
FC Furukawa Rock Drill Co.: 6 patents #1 of 17Top 6%
RT Renesas Technology: 5 patents #592 of 3,337Top 20%
RE Renesas Electronics: 4 patents #1,016 of 4,529Top 25%
HC Hitachi Haramachi Electronics Co.: 3 patents #5 of 64Top 8%
SE Sega Enterprises: 3 patents #74 of 515Top 15%
HI Hirata: 2 patents #40 of 174Top 25%
TO Toyota: 2 patents #10,861 of 26,838Top 45%
Mazda Motor: 2 patents #1,722 of 4,755Top 40%
MM Mitsubishi Materials: 1 patents #812 of 1,543Top 55%
AK Aisan Kogyo Kabushiki Kaisha: 1 patents #344 of 642Top 55%
Nichia: 1 patents #1,005 of 1,531Top 70%
NC Nihon Den-Netsu Keiki Co.: 1 patents #8 of 21Top 40%
NC Nippondenso Co.: 1 patents #1,765 of 3,479Top 55%
RS Renesas Eastern Japan Semiconductor: 1 patents #25 of 82Top 35%
📍 Hiroshima, HI: #1 of 1 inventorsTop 100%
Overall (All Time): #86,306 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 26–38 of 38 patents

Patent #TitleCo-InventorsDate
6524680 Honeycomb structure Minoru Tanaka, Hidenori Oikawa 2003-02-25
6434008 Semiconductor device Kazuji Yamada, Akira Tanaka, Ryuichi Saito, Yasutoshi Kurihara, Tadao Kushima +12 more 2002-08-13
D448824 Colored translucent golf driver head Steve Sombrero, Allen Masaharu Yamaguchi, Felipe Kinjo Zialcita 2001-10-02
5956231 Semiconductor device having power semiconductor elements Kazuji Yamada, Akira Tanaka, Ryuichi Saito, Yasutoshi Kurihara, Tadao Kushima +12 more 1999-09-21
5892974 System for sub-data processor identifies the peripheral from supplied identification data and supplies data indicative of the kind of peripheral to main data processor Naoki Niizuma, Yasuhisa Kawase, Hamjime Ikebe, Masaki Kawabori 1999-04-06
5884835 Ultrasonic bonding method and ultrasonic bonding apparatus Ryoichi Kajiwara, Toshiyuki Takahashi, Kazuya Takahashi, Hiroshi Watanabe, Yukiharu Akiyama 1999-03-23
5872999 System for peripheral identification obtained by calculation and manipulation data collecting for determining communication mode and collecting data from first terminal contacts Naoki Niizuma, Yasuhisa Kawase, Hamjime Ikebe 1999-02-16
5630170 System and method for determining peripheral's communication mode over row of pins disposed in a socket connector Naoki Niizuma, Yasuhisa Kawase, Hajime Ikebe 1997-05-13
5153704 Semiconductor device using annealed bonding wire Jin Onuki, Masateru Suwa, Tomio Iizuka, Takeo Tamamura 1992-10-06
4976393 Semiconductor device and production process thereof, as well as wire bonding device used therefor Makoto Nakajima, Yoshio Ohashi, Toshio Chuma, Kazuo Hatori, Isao Araki +3 more 1990-12-11
4965656 Semiconductor device Yasushi Koubuchi, Jin Onuki 1990-10-23
4912544 Corrosion-resistant aluminum electronic material Jin Onuki, Masateru Suwa, Osamu Asai, Katsumi Suzuki, Ryo Hiraga 1990-03-27
4699115 Ignition apparatus for internal combustion engines Kanechiyo Terada, Toshihiro Saga 1987-10-13