SN

Shuhei Nakahama

EB Ebara: 9 patents #259 of 1,611Top 20%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
TC Tocalo Co.: 1 patents #41 of 105Top 40%
Overall (All Time): #583,618 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
7432469 Arc spraying torch head Masaru Takahashi, Reiyasu Uotani, Toru Ishido 2008-10-07
7347663 Abrasion resistant surface treatment method of a rotary member, runner, and fluid machine having runner Masaru Takahashi, Yasuo Asano, Hiroshi Nagasaka, Toru Ishido 2008-03-25
7172821 Coating material having corrosion resistance and wear resistance Kenichi Sugiyama, Satoshi Kawamura, Hirokazu Takayama, Matsuho Miyasaka 2007-02-06
6562157 Manufacturing process of nickel-based alloy having improved high temperature sulfidation-corrosion resistance Toshiaki Nonomura, Takehiro Ohno, Toshihiro Uehara, Hiroshi Yakuwa, Matsuho Miyasaka +1 more 2003-05-13
6447624 Manufacturing process of nickel-based alloy having improved hot sulfidation-corrosion resistance Toshiaki Nonomura, Takehiro Ohno, Toshihiro Uehara, Hiroshi Yakuwa, Matsuho Miyasaka +1 more 2002-09-10
5958152 Chromized heat-resistant alloy members and a process for the production thereof Hisamichi Nagahara, Masamichi Kawasaki, Yoshio Harada 1999-09-28
5900078 High-temperature sulfidation-corrosion resistant nickel-base alloy Hiroshi Yakuwa, Matsuho Miyasaka, Toshio Narita, Masamichi Kawasaki 1999-05-04
5377407 Screw rotor and method of manufacturing the same Tsutomu Takahashi 1995-01-03
5290150 Screw rotor comprising a plurality of thin plates Tsutomu Takahashi 1994-03-01