AT

Akihiro Tamba

HI Hitachi: 25 patents #1,255 of 28,497Top 5%
HC Hitachi Keiyo Engineering Co.: 1 patents #46 of 115Top 40%
Overall (All Time): #165,229 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7983044 Electrical apparatus, cooling system therefor, and electric vehicle Takayoshi Nakamura, Ryuichi Saito, Atsuo Nishihara 2011-07-19
7928587 Power semiconductor module Kazuhiro Suzuki, Koji Sasaki, Shinji Hiramitsu, Hirokazu Inoue 2011-04-19
7660122 Electrical apparatus, cooling system therefor, and electric vehicle Takayoshi Nakamura, Ryuichi Saito, Atsuo Nishihara 2010-02-09
7252167 Electrical apparatus, cooling system therefor, and electric vehicle Takayoshi Nakamura, Ryuichi Saito, Atsuo Nishihara 2007-08-07
7090044 Electrical apparatus, cooling system therefor, and electric vehicle Takayoshi Nakamura, Ryuichi Saito, Atsuo Nishihara 2006-08-15
6978856 Electrical apparatus, cooling system therefor, and electric vehicle Takayoshi Nakamura, Ryuichi Saito, Atsuo Nishihara 2005-12-27
6784538 Heat transfer structure for a semiconductor device utilizing a bismuth glass layer Takayoshi Nakamura, Ryuichi Saito, Takashi Naitou, Hiroki Yamamoto, Takashi Namekawa 2004-08-31
6768193 Heat transfer structure for a semiconductor device utilizing a bismuth glass layer Takayoshi Nakamura, Ryuichi Saito, Takashi Naitou, Hiroki Yamamoto, Takashi Namekawa 2004-07-27
6661659 Water cooled inverter Takayoshi Nakamura, Ryuichi Saito, Naohiro Momma 2003-12-09
6621701 Water cooled inverter Takayoshi Nakamura, Ryuichi Saito, Naohiro Momma 2003-09-16
6594149 Liquid cooled circuit device Kazuji Yamada, Takayoshi Nakamura, Ryuichi Saito, Toshio Ogawa, Hisanori Okamura 2003-07-15
6588647 Liquid cooled circuit device and a manufacturing method thereof Kazuji Yamada, Takayoshi Nakamura, Ryuichi Saito, Toshio Ogawa, Hisanori Okamura 2003-07-08
6486548 Semiconductor module and power converting apparatus using the module Kinya Nakatsu, Toshio Ogawa, Hiroshi Fujii, Hiroyuki Tomita, Norinaga Suzuki +2 more 2002-11-26
6313598 Power semiconductor module and motor drive system Toshio Ogawa, Kazuji Yamada 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
5920119 Power semiconductor module employing metal based molded case and screw fastening type terminals for high reliability Kazuji Yamada, Ruichi Saito, Tatsuya Shigemura, Yukio Sonobe, Masataka Sasaki +1 more 1999-07-06
5663659 Semiconductor integrated circuit device comprising CMOS transistors and differentiator Yasuo Kaminaga, Yoji Nishio, Yutaka Kobayashi, Masataka Minami 1997-09-02
5654931 High-speed semiconductor memory device and data processing system using the same Masahiro Iwamura, Yutaka Kobayashi, Kinya Mitsumoto, Tatsumi Yamauchi, Shuko Yamauchi +1 more 1997-08-05
5614848 High-speed semiconductor integrated circuit device composed of CMOS and bipolar transistors Yasuo Kaminaga, Yoji Nishio, Yutaka Kobayashi, Masataka Minami 1997-03-25
5604417 Semiconductor integrated circuit device Yasuo Kaminaga, Yoji Nishio, Yutaka Kobayashi, Masataka Minami 1997-02-18
5268587 Semiconductor integrated circuit device including a dielectric breakdown prevention circuit Jun Murata, Hideyuki Miyazawa, Kyoichiro Asayama, Seigou Yukutake, Hiroyuki Miyazawa +2 more 1993-12-07
5258644 Semiconductor device and method of manufacture thereof Yutaka Kobayashi, Tetsurou Matsumoto 1993-11-02
5121185 Monolithic semiconductor IC device including blocks having different functions with different breakdown voltages Yutaka Kobayashi 1992-06-09
5081515 Semiconductor integrated circuit device Jun Murata, Hideyuki Miyazawa, Kyoichiro Asayama, Seigou Yukutake, Hiroyuki Miyazawa +2 more 1992-01-14