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 26–35 of 35 patents

Patent #TitleCo-InventorsDate
5545484 Heat and oxidation resistive high strength material and its production method Shizuka Yamaguchi, Sai Ogawa, Hideyuki Arikawa, Mitsuo Haginoya, Yukihiko Wada +1 more 1996-08-13
5507623 Alloy-coated gas turbine blade and manufacturing method thereof Kiyoshi Otake, Akira Mebata, Hideyuki Arikawa, Tetsuo Sasada, Hajime Toriya 1996-04-16
5242264 Machine on ground provided with heat resistant wall used for isolating from environment and heat resistant wall used therefor Noriyuki Ohnaka, Shizuka Yamaguchi, Shoichi Nakashima, Sai Ogawa, Masayuki Doi +1 more 1993-09-07
5209645 Ceramics-coated heat resisting alloy member Akira Mebata, Noriyuki Ohnaka, Akihiko Chiba, Ryoichiro Ohoshima, Norio Watanabe +1 more 1993-05-11
5203984 Monitoring system for plant operation condition and its in-situ electrochemical electrode Masanori Sakai, Katsumi Mabuchi, Toshiaki Arato, Takuya Takahashi, Masakiyo Izumiya +7 more 1993-04-20
5009070 Combustion apparatus for gas turbine Nobuyuki Iizuka, Fumiyuki Hirose, Naotatsu Asahi 1991-04-23
4966820 Ceramics-coated heat resisting alloy member Akira Mebata, Akihiko Chiba, Ryoichiro Ohoshima, Norio Watanabe, Yukiyoshi Hara 1990-10-30
4873150 High water-resistant member, and valve gear using the same for use in internal combustion engine Masayuki Doi, Naotatsu Asahi, Hisanobu Kanamaru, Susumu Aoyama 1989-10-10
4777396 Rotor of induction motor Motoya Ito, Keiji Arai, Noriyoshi Takahashi, Noboru Fujimoto 1988-10-11
4486462 Method for coating by glow discharge Naotatsu Asahi, Shizuka Yamaguchi, Katsuyoshi Terakado 1984-12-04