HH

Hiroyuki Handa

Sumitomo Electric Industries: 23 patents #806 of 21,551Top 4%
PA Panasonic: 11 patents #2,326 of 21,108Top 15%
YE Yaskawa Electric: 9 patents #68 of 1,006Top 7%
NC Nissei Plastic Industrial Co.: 2 patents #80 of 189Top 45%
ME Mitsubishi Electric: 1 patents #413 of 959Top 45%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
JI Japan Atomic Energy Research Institute: 1 patents #188 of 609Top 35%
TC Toshiba Matsushita Display Technology Co.: 1 patents #112 of 235Top 50%
YA Yaskawa America: 1 patents #11 of 43Top 30%
HC Hitachi Engineering Co.: 1 patents #187 of 572Top 35%
📍 Osaka, IL: #3 of 8 inventorsTop 40%
Overall (All Time): #52,254 of 4,157,543Top 2%
51
Patents All Time

Issued Patents All Time

Showing 26–50 of 51 patents

Patent #TitleCo-InventorsDate
7038310 Power module with improved heat dissipation Seiichi Nakatani, Koichi Hirano, Mitsuhiro Matsuo 2006-05-02
6882130 Battery-driven electronic device and mobile communication apparatus Takuya Ishii, Yasufumi Nakajima, Yasuhiko Bito, Shinji Kasamatsu, Yoshiaki Nitta 2005-04-19
6872915 High speed carbon dioxide gas welding method Yasuhiro Koga, Shinji Okumura, Haruki Nakashima, Takahide Hirayama 2005-03-29
6863962 Sheet for a thermal conductive substrate, a method for manufacturing the same, a thermal conductive substrate using the sheet and a method for manufacturing the same Seiichi Nakatani 2005-03-08
6850401 DC-DC converter Manabu Inoue, Hirosi Higasitani, Takuya Ishii 2005-02-01
6836401 Capacitor, laminated capacitor, and capacitor built-in-board Tsunenori Yoshida, Mikinari Shimada, Masaaki Kuranuki, Seiichi Nakatani, Akihiro Ishikawa 2004-12-28
6831250 Method for calculating shape of bead of welded part Takeshi Okamoto, Keiichi Takaoka 2004-12-14
6787884 Circuit component, circuit component package, circuit component built-in module, circuit component package production and circuit component built-in module production Koichi Hirano, Seiichi Nakatani, Tsunenori Yoshida, Yoshihisa Yamashita, Hiroyuki Ishitomi 2004-09-07
6768409 Magnetic device, method for manufacturing the same, and power supply module equipped with the same Osamu Inoue 2004-07-27
6750428 Automatic welding device and welding skill training device Takeshi Okamoto, Shinji Okumura 2004-06-15
6666392 Composition for substrate materials and process for the same as well as a heat conductive substrate and process for the same Koichi Hirano, Seiichi Nakatani 2003-12-23
6642483 High-speed CO2 gas welding method Yasuhiro Koga, Shinji Okumura, Haruki Nakashima, Takafumi Mitsushio 2003-11-04
6639471 Power amplifier circuit, control method for power amplifier circuit, and portable terminal apparatus for mobile communication Toru Matsuura, Hisashi Adachi, Makoto Sakakura, Toshio Obara 2003-10-28
6570099 Thermal conductive substrate and the method for manufacturing the same Koichi Hirano, Seiichi Nakatani, Mitsuhiro Matsuo, Yoshihisa Yamashita 2003-05-27
6548152 Sheet for a thermal conductive substrate, a method for manufacturing the same, a thermal conductive substrate using the sheet and a method for manufacturing the same Seiichi Nakatani 2003-04-15
6504705 Electrolytic capacitor, circuit board containing electrolytic capacitor, and method for producing the same Mikinari Shimada, Yasuhiko Nakada, Seiichi Nakatani, Seigo Shiraishi, Akihiro Ishikawa 2003-01-07
6473293 Capacitor unit, method for producing the same, and solid electrolytic capacitor Mikinari Shimada, Yasuhiko Nakada, Seiichi Nakatani, Seigo Shiraishi 2002-10-29
6358351 Sheet for a thermal conductive substrate, a method for manufacturing the same, a thermal conductive substrate using the sheet and a method for manufacturing the same Seiichi Nakatani 2002-03-19
6355131 Sheet for a thermal conductive substrate, a method for manufacturing the same, a thermal conductive substrate using the sheet and a method for manufacturing the same Seiichi Nakatani 2002-03-12
6329045 Composition for substrate materials and process for the same as well as a heat conductive substrate and process for the same Koichi Hirano, Seiichi Nakatani 2001-12-11
6096994 Automatic welding condition setting device Shinji Okumura, Hajime Fujii, Takanori Mitsushio, Keiichi Takaoka, Noriyuki Ohsawa +4 more 2000-08-01
6060150 Sheet for a thermal conductive substrate, a method for manufacturing the same, a thermal conductive substrate using the sheet and a method for manufacturing the same Seiichi Nakatani 2000-05-09
5783921 Welding robot with base stand having self contained welding power source Yukio Misumi, Shinji Okumura, Michiharu Tanaka 1998-07-21
5774345 Switching power supply with surge current and surge voltage prevention Koji Yoshida, Takuya Ishii 1998-06-30
5398266 Superconductive apparatus Katsumi Hayashi, Tadanori Mizoguchi, Naoyuki Miya, Masayuki NAGAMI 1995-03-14