HD

Hiroyuki Doi

HI Hitachi: 30 patents #925 of 28,497Top 4%
MS Mitsubishi Hitachi Power Systems: 10 patents #27 of 970Top 3%
PA Panasonic: 9 patents #2,933 of 21,108Top 15%
Sumitomo Electric Industries: 7 patents #3,987 of 21,551Top 20%
BA Babcock-Hitachi: 2 patents #128 of 415Top 35%
TW The Japan Steel Works: 2 patents #158 of 643Top 25%
JC Jms Co.: 1 patents #82 of 184Top 45%
MI Mitsui Toatsu Chemicals, Incorporated: 1 patents #880 of 1,543Top 60%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
NJ Nuvoton Technology Corporation Japan: 1 patents #117 of 222Top 55%
HL Harison Toshiba Lighting: 1 patents #39 of 82Top 50%
CP Chugai Pharmaceutical: 1 patents #730 of 1,238Top 60%
TT Toshiba Lighting & Technology: 1 patents #279 of 486Top 60%
TC Tower Partners Semiconductor Co.: 1 patents #95 of 183Top 55%
KO Koganei: 1 patents #41 of 103Top 40%
Overall (All Time): #33,500 of 4,157,543Top 1%
65
Patents All Time

Issued Patents All Time

Showing 26–50 of 65 patents

Patent #TitleCo-InventorsDate
8524149 Nickel base wrought alloy Jun Sato, Shinya Imano 2013-09-03
8512488 Ni—Fe based forging superalloy excellent in high-temperature strength and high-temperature ductility, method of manufacturing the same, and steam turbine rotor Shinya Imano, Hirotsugu Kawanaka, Tatsuya Takahashi, Tsukasa Azuma, Koji Kajikawa 2013-08-20
8500397 Seals in steam turbine Kenjiro Narita, Haruyuki Yamazaki, Kei Kobayashi, Hajime Toriya 2013-08-06
8444778 Low-thermal-expansion Ni-based super-heat-resistant alloy for boiler and having excellent high-temperature strength, and boiler component and boiler component production method using the same Toshihiro Uehara, Takehiro Ohno, Akihiro Toji, Takashi Sato, Gang Bao +1 more 2013-05-21
8225672 Method for assessing remaining lifespan of bolt used at high temperatures Masahiko Arai, Shinichi Kobayasji, Hiroaki Chiba, Takashi Haneishi 2012-07-24
8128351 Seals in steam turbine Kenjiro Narita, Haruyuki Yamazaki, Kei Kobayashi, Hajime Toriya 2012-03-06
8043068 Ni-Fe based super alloy, process of producing the same and gas turbine Shinya Imano, Isao Takehara, Shigeo Sakurai 2011-10-25
7910966 Solid state imaging device including a semiconductor substrate on which a plurality of pixel cells have been formed Hirohisa Ohtsuki, Motonari Katsuno 2011-03-22
7632066 Pipe for steam turbine, manufacturing process of same, main stream pipe and reheat pipe for steam turbine, and steam turbine power plant using those pipes Masahiko Arai, Hirotsugu Kawanaka, Kenichi Murata, Hajime Toriya 2009-12-15
7576014 Semiconductor device and manufacturing method thereof Takashi Miyake 2009-08-18
7547188 Ni-based alloy member, method of producing the alloy member, turbine engine part, welding material, and method of producing the welding material Shinya Imano, Kunihiro Ichikawa, Katsumi Tanaka 2009-06-16
7459035 Steam turbine rotor and steam turbine plant Shinya Imano, Hirotsugu Kawanaka, Eiji Saitou 2008-12-02
7169241 Ni-based superalloy having high oxidation resistance and gas turbine part Hideki Tamaki, Akira Yoshinari, Akira Okayama, Tsuyoshi Takano 2007-01-30
7165325 Welding material, gas turbine blade or nozzle and a method of repairing a gas turbine blade or nozzle Shinya Imano, Kunihiro Ichikawa, Hideaki Ishii 2007-01-23
6908141 Structural member for car and car body fabricated using the member Takashi Motoyoshi, Tsutomu Takachi, Masanobu Kawase, Nobuyasu Yamada 2005-06-21
6861626 Induction heating roller device for use in image forming apparatus Takayuki Ogasawara, Ichiro Yokozeki, Manabu Kika, Toshiya Suzuki, Takaaki Tanaka +1 more 2005-03-01
6818077 High-strength Ni-base superalloy and gas turbine blades Akira Yoshinari, Hideki Tamaki 2004-11-16
6784520 Semiconductor devices constitute constant voltage devices used to raise internal voltage 2004-08-31
6773992 Method for fabricating nonvolatile-semiconductor memory device 2004-08-10
6753222 Method of manufacturing semiconductor device Ken Mimuro, Yasushi Okuda 2004-06-22
6700332 Electrodeless discharge lamp system Ichiro Yokozeki, Takashi Terai, Ioshiya Suzuki, Masaaki Kawamura 2004-03-02
6686641 Semiconductor device and method for driving the same Hirotsugu Honda, Katsujirou Arai, Takuo Akashi, Naritsugu Yoshii 2004-02-03
6657893 Nonvolatile semiconductor memory device and method for driving the same Keita Takahashi, Masafumi Doi, Nobuyuki Tamura, Yasushi Okuda 2003-12-02
6589197 Fluid passage change-over apparatus for medical treatment Kazuhiro Shinmoto, Zyunya Fujii, Seishin Tanaka 2003-07-08
6493936 Method of making steam turbine blade Mitsuo Kuriyama, Shigeyoshi Nakamura, Shinya Imano, Takeshi Onoda 2002-12-17