KY

Kazuji Yamada

HI Hitachi: 39 patents #529 of 28,497Top 2%
HC Hitachi Haramachi Electronics Co.: 3 patents #5 of 64Top 8%
HC Hitachi Car Engineering Co.: 1 patents #275 of 465Top 60%
HC Hitachi Instruments Engineering Co.: 1 patents #18 of 126Top 15%
📍 Ibaraki, JP: #120 of 6,779 inventorsTop 2%
Overall (All Time): #83,548 of 4,157,543Top 3%
39
Patents All Time

Issued Patents All Time

Showing 1–25 of 39 patents

Patent #TitleCo-InventorsDate
7141741 Circuit board Akira Tanaka, Ryuichi Saito, Yasutoshi Kurihara, Tadao Kushima, Takashi Haramaki +12 more 2006-11-28
6680435 Electronic device and method of fabricating the same Toshio Ogawa, Masaaki Takahashi, Noritaka Kamimura, Toshiaki Kaminaga 2004-01-20
6594149 Liquid cooled circuit device Akihiro Tamba, Takayoshi Nakamura, Ryuichi Saito, Toshio Ogawa, Hisanori Okamura 2003-07-15
6588647 Liquid cooled circuit device and a manufacturing method thereof Akihiro Tamba, Takayoshi Nakamura, Ryuichi Saito, Toshio Ogawa, Hisanori Okamura 2003-07-08
6452261 Flat semiconductor device and power converter employing the same Hironori Kodama, Masahiro Nagasu, Hirokazu Inoue, Yasuo Osone, Shigeta Ueda 2002-09-17
6434008 Semiconductor device Akira Tanaka, Ryuichi Saito, Yasutoshi Kurihara, Tadao Kushima, Takashi Haramaki +12 more 2002-08-13
6353258 Semiconductor module Hirokazu Inoue, Ryuichi Saito, Mutsuhiro Mori, Yasutoshi Kurihara, Jin Onuki +6 more 2002-03-05
6313598 Power semiconductor module and motor drive system Akihiro Tamba, Toshio Ogawa 2001-11-06
6291880 Semiconductor device including an integrally molded lead frame Toshio Ogawa, Masaaki Takahashi, Masahiro Gouda, Noritaka Kamimura, Kazuhiro Suzuki +3 more 2001-09-18
6144571 Semiconductor module, power converter using the same and manufacturing method thereof Yasushi Sasaki, Yutaka Maeno, Hiroshi Fujii, Kinya Nakatsu, Toshio Ogawa +1 more 2000-11-07
5956231 Semiconductor device having power semiconductor elements Akira Tanaka, Ryuichi Saito, Yasutoshi Kurihara, Tadao Kushima, Takashi Haramaki +12 more 1999-09-21
5920119 Power semiconductor module employing metal based molded case and screw fastening type terminals for high reliability Akihiro Tamba, Ruichi Saito, Tatsuya Shigemura, Yukio Sonobe, Masataka Sasaki +1 more 1999-07-06
5661343 Power hybrid integrated circuit apparatus Masaaki Takahashi, Hideki Miyazaki, Kazuo Kato 1997-08-26
5350886 Mounting substrate Kunio Miyazaki, Yutaka Sugita, Akio Mukoh, Tadahiko Miyoshi, Osamu Miura +5 more 1994-09-27
5315482 Semiconductor apparatus of module installing type Akira Tanaka, Hiroichi Shinohara, Takao Ohba, Akira Yamagiwa, Hitoshi Yoshidome +4 more 1994-05-24
5258649 Semiconductor device and electronic apparatus using semiconductor device Akira Tanaka, Tadahiko Miyoshi, Kanji Otsuka 1993-11-02
5177670 Capacitor-carrying semiconductor module Hiroichi Shinohara, Hirokazu Inoue, Yoichi Abe, Akira Kato, Hideo Suzuki +2 more 1993-01-05
5097318 Semiconductor package and computer using it Akira Tanaka, Hirokazu Inoue, Hideo Arakawa, Masahide Okamoto 1992-03-17
5095359 Semiconductor package and computer using the package Akira Tanaka, Hirokazu Inoue, Kunio Miyazaki, Osamu Miura, Hideo Arakawa +4 more 1992-03-10
4970577 Semiconductor chip module Satoru Ogihara, Shunichi Numata, Kunio Miyazaki, Takashi Yokoyama, Ken Takahashi +3 more 1990-11-13
4908695 Cooling apparatus and semiconductor device employing the same Atsushi Morihara, Yoshio Naganuma, Shuntaro Koyama, Tasao Soga, Hideo Arakawa +2 more 1990-03-13
4906823 Solder carrier, manufacturing method thereof and method of mounting semiconductor devices by utilizing same Tadao Kushima, Tasao Soga, Mitugu Shirai 1990-03-06
4896930 Optical functional device of an optical waveguide type Shigeki Tsuchitani 1990-01-30
4891831 X-ray tube and method for generating X-rays in the X-ray tube Akira Tanaka, Satoshi Shimada, Yusaku Nakagawa, Motohisa Nishihara, Tadahiko Miyoshi +3 more 1990-01-02
4835595 Optical interconnections for integrated circuits Shigeru Oho, Shigeki Tsuchitani 1989-05-30