YK

Yoshitaka Kojima

HI Hitachi: 30 patents #925 of 28,497Top 4%
MS Mitsubishi Hitachi Power Systems: 2 patents #298 of 970Top 35%
JD Japan Display: 2 patents #741 of 1,204Top 65%
WC Wakunaga Pharmaceutical Co.: 1 patents #29 of 94Top 35%
HM Hitachi Maxell: 1 patents #659 of 1,211Top 55%
JS Japanese Red Cross Society: 1 patents #3 of 33Top 10%
Overall (All Time): #97,468 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 1–25 of 35 patents

Patent #TitleCo-InventorsDate
12165430 Detection device Hirofumi Kato 2024-12-10
12035476 Detection device Hirofumi Kato 2024-07-09
9822659 Gas turbine with honeycomb seal Hideyuki Arikawa, Tadashi Kasuya, Yasuyuki Watanabe, Tadashi MURAKATA, Kunihiro Ichikawa +1 more 2017-11-21
9732411 Method for manufacturing gas turbine blade, and gas turbine blade Takeshi Izumi, Hideyuki Arikawa, Akira Mebata, Tadashi Kasuya, Shinya Imano +1 more 2017-08-15
8801373 High-reliability turbine metal sealing material Hideyuki Arikawa, Akira Mebata, Hiroyuki Doi, Hajime Toriya, Kenjiro Narita 2014-08-12
8656723 Operation control method for gas turbine and operation controller for gas turbine Hiroshi Haruyama, Hideki Tamaki, Hironori Kamoshida 2014-02-25
8485788 Rotor for steam turbine and method of manufacturing the same Hideyuki Arikawa, Akira Mebata, Masahiko Arai, Haijime Toriya 2013-07-16
8460799 High-temperature resistant component and gas turbine hot part Hideyuki Arikawa, Akira Mebata, Kunihiro Ichikawa, Hiroshi Haruyama 2013-06-11
8008028 Panel cell used for granulocyte antibody detection Kazuta YASUI, Fumiya Hirayama, Rika Furuta, Nobuki Matsuyama, Toru Miyazaki +2 more 2011-08-30
7901790 High temperature component with thermal barrier coating and gas turbine using the same Hideyuki Arikawa, Akira Mebata, Kunihiro Ichikawa, Takayuki Yoshioka, Mitsutoshi Okada +1 more 2011-03-08
7449251 Heat resistant article having thermal barrier coating Hideyuki Arikawa, Akira Mebata, Kunihiro Ichikawa 2008-11-11
7286966 Rotation planning apparatus and rotation planning system Miyako Hotta, Kenji Araki, Yoshikazu Moritomo 2007-10-23
7162354 Apparatus and method for determining date of gas turbine washing Masatoshi Takada, Yoshiharu Hayashi 2007-01-09
6521293 Method for producing a ceramic-coated blade of gas turbine Hideyuki Arikawa, Mitsuo Haginoya, Katsuo Wada, Ryuta Watanabe, Yoshiaki Matsushita +1 more 2003-02-18
6452101 Multi-core conductive wire and a method of manufacturing the same Takashi Haramaki, Izumi Sakurai 2002-09-17
6248969 Vacuum circuit breaker, and vacuum bulb and vacuum bulb electrode used therefor Katsuhiro Komuro, Noboru Baba, Ryo Hiraga, Toru Tanimizu, Yoshimi Hakamata +3 more 2001-06-19
6048216 Vacuum circuit breaker as well as vacuum valve and electric contact used in same Katsuhiro Komuro, Yukio Kurosawa, Yoshio Koguchi, Toru Tanimizu, Yoshimi Hakamata +1 more 2000-04-11
6042951 Ceramic-coated blade of gas turbine and method of producing same Hideyuki Arikawa, Mitsuo Haginoya, Katsuo Wada, Ryuta Watanabe, Yoshiaki Matsushita +1 more 2000-03-28
5852266 Vacuum circuit breaker as well as vacuum valve and electric contact used in same Katsuhiro Komuro, Yukio Kurosawa, Yoshio Koguchi, Toru Tanimizu, Yoshimi Hakamata +1 more 1998-12-22
5840434 Thermal stress relaxation type ceramic coated heat-resistant element and method for producing the same Hideyuki Arikawa, Mitsuo Haginoya, Akira Mebata, Tetsuo Sasada, Hajime Toriya 1998-11-24
5756130 Stamper for producing recording medium Nobuhiro Umebayashi, Hiroshi Obara, Hiroshi Ishihama, Shoichi Nakashima, Shizuka Yamaguchi 1998-05-26
5697150 Method forming an electric contact in a vacuum circuit breaker Katsuhiro Komuro, Yukio Kurosawa, Yoshio Koguchi, Toru Tanimizu, Yoshimi Hakamata +1 more 1997-12-16
5691521 Vacuum circuit breaker with improved contact assembly Katsuhiro Komuro, Yukio Kurosawa, Shunkichi Endoo, Tooru Tanimizu, Yoshimi Hakamata +1 more 1997-11-25
5630314 Thermal stress relaxation type ceramic coated heat-resistant element Hideyuki Arikawa, Mitsuo Haginoya, Akira Mebata, Tetsuo Sasada, Hajime Toriya 1997-05-20
5557083 Vacuum circuit breaker and electric contact Katsuhiro Komuro, Yukio Kurosawa, Yoshio Koguchi, Toru Tanimizu, Yoshimi Hakamata +1 more 1996-09-17