KH

Katsuhiko Hirano

HI Hitachi: 4 patents #332 of 4,225Top 8%
HC Hitachi Engineering Co.: 2 patents #1 of 51Top 2%
HC Hitachi Ibaraki Business Engineering Co.: 2 patents #1 of 9Top 15%
BK Babcock-Hitachi K.K.: 1 patents #1 of 7Top 15%
Overall (2003): #15,382 of 273,478Top 6%
4
Patents 2003

Issued Patents 2003

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6639962 Preventive maintenance method and apparatus of a structural member in a reactor pressure vessel Kunio Enomoto, Eisaku Hayashi, Ren Morinaka, Sadato Shimizu, Satoshi Kanno +2 more 2003-10-28
6636579 Device and method for repairing inside of reactor pressure vessel Kouichi Kurosawa, Youichi Mahara, Toshiharu Nagashima, Kazuhiro Nitta, Shinji Go +1 more 2003-10-21
6612910 Liquid crystal glass substrate, method of cutting the liquid crystal glass substrate, cutter for the liquid crystal glass substrate and display using the liquid crystal glass substrate Makoto Hayashi, Kunio Enomoto, Makoto Kitano, Satoshi Kanno 2003-09-02
6519991 Water jet peening apparatus Kunio Enomoto, Eisaku Hayashi, Sadato Shimizu, Ren Morinaka, Tetsuya Ishikawa +2 more 2003-02-18