YN

Yusaku Nakagawa

HI Hitachi: 7 patents #5,859 of 28,497Top 25%
HC Hitachi Powdered Metals Co.: 3 patents #44 of 246Top 20%
HM Hitachi Medical: 1 patents #371 of 680Top 55%
Overall (All Time): #765,842 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5478220 Compressor scroll made of silicon containing aluminum alloy Yasuo Kamitsuma, Mitsuo Chigasaki, Tadashi Iizuka, Kooichi Inaba, Keiichi Nakamura +2 more 1995-12-26
5387272 Highly ductile sintered aluminum alloy, method for production thereof and use thereof Yasuo Kamitsuma, Mitsuo Chigasaki, Tadashi Iizuka, Kooichi Inaba, Keiichi Nakamura +2 more 1995-02-07
5346667 Method of manufacturing sintered aluminum alloy parts Yasuo Kamitsuma, Yoshihiro Kobayashi, Shoichi Nakashima, Tadashi Iizuka, Keiichi Nakamura +1 more 1994-09-13
5087181 Sliding structure such as compressor or the like Yasuo Kamitsuma, Isao Ishi, Noriyuki Ohnaka, Tadashi Iizuka, Kazushi Fukuda 1992-02-11
4944663 Rotary compressor having oxidizing and nitriding surface treatment Tadashi Iizuka, Kazushi Fukuda, Shin-ichiro Ishihara, Yasuo Kamitsuma 1990-07-31
4939762 Target for X-ray tube as well as method of manufacturing the same, and X-ray tube Noboru Baba, Masatake Fukushima, Masateru Suwa, Ichiro Inamura 1990-07-03
4891831 X-ray tube and method for generating X-rays in the X-ray tube Akira Tanaka, Satoshi Shimada, Kazuji Yamada, Motohisa Nishihara, Tadahiko Miyoshi +3 more 1990-01-02