NO

Noriyuki Ohnaka

HI Hitachi: 15 patents #2,636 of 28,497Top 10%
TI Tokyo Electric Power Company Holdings, Incorporated: 1 patents #245 of 711Top 35%
Overall (All Time): #328,363 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5901071 Method of evaluating corrosion resistance of metal material, method of designing alloy of high corrosion resistance, method of diagnosing corroded state of metal material, and method of operating plant Masanori Sakai, Yuichi Ishikawa, Haruo Fujimori, Yusuke Isobe, Takuya Takahashi 1999-05-04
5892805 Boiling water reactor and its operating method Kouichi Yamane, Yamato Asakura, Katsumi Ohsumi, Kenichi Ito, Naohito Uetake +2 more 1999-04-06
5729409 Magnetic disk device having a corrosion resistant magnetoresistive head Kenya Ohashi, Kiyoshi Miyake, Moriaki Fuyama 1998-03-17
5579354 Method of measuring a corrosion potential, method of simulating potential characteristics of a reaction rate, and plant monitoring system adopting them Masanori Sakai, Takahashi Takuya, Yamauchi Hiroshi 1996-11-26
5519330 Method and apparatus for measuring degree of corrosion of metal materials Hiroshi Yamauchi, Masanori Sakai, Katsumi Mabuchi, Takuya Takahashi, Shigeo Hattori 1996-05-21
5514477 Corrosion-resistant laminate which consists of a metal of a single mass number deposited on a substrate Kenya Ohashi, Kiyoshi Miyake, Moriaki Fuyama 1996-05-07
5398268 Nuclear power plant having a water chemistry control system for a primary cooling system thereof and an operation method thereof Hidefumi Ibe, Masanori Takahashi, Yasuko Aoki, Yamato Asakura, Makoto Nagase +6 more 1995-03-14
5316633 Method and apparatus for measuring sensitization of structural members Masanori Sakai, Masakiyo Izumiya, Shigeo Hattori 1994-05-31
5242264 Machine on ground provided with heat resistant wall used for isolating from environment and heat resistant wall used therefor Yoshitaka Kojima, Shizuka Yamaguchi, Shoichi Nakashima, Sai Ogawa, Masayuki Doi +1 more 1993-09-07
5223211 Zirconium based alloy plate of low irradiation growth, method of manufacturing the same, and use of the same Masahisa Inagaki, Masayoshi Kanno, Iwao Takase, Toshitaka Kida 1993-06-29
5221859 Lead frame for semiconductor device Shiro Kobayashi, Narutoshi Kazama, Masahiko Itoh 1993-06-22
5209645 Ceramics-coated heat resisting alloy member Yoshitaka Kojima, Akira Mebata, Akihiko Chiba, Ryoichiro Ohoshima, Norio Watanabe +1 more 1993-05-11
5186798 Solution quantitative analysis apparatus, quantitative analysis methods, and nuclear reactor water quality control system Masanori Sakai, Katsumi Ohsumi, Eiji Kikuchi, Katsumi Mabuchi, Takuya Takahashi 1993-02-16
5087181 Sliding structure such as compressor or the like Yasuo Kamitsuma, Isao Ishi, Yusaku Nakagawa, Tadashi Iizuka, Kazushi Fukuda 1992-02-11
4937038 Solution quantitative analysis apparatus, quantitative analysis methods, and nuclear reactor water quality control system Masanori Sakai, Katsumi Ohsumi, Eiji Kikuchi, Katsumi Mabuchi, Takuya Takahashi 1990-06-26