AM

Akira Murayama

HI Hitachi: 27 patents #1,104 of 28,497Top 4%
AC Ajinomoto Co.: 3 patents #592 of 2,190Top 30%
RE Renesas Electronics: 3 patents #1,322 of 4,529Top 30%
Canon: 2 patents #12,681 of 19,416Top 70%
NC Nkk Co.: 1 patents #579 of 1,173Top 50%
Overall (All Time): #93,908 of 4,157,543Top 3%
36
Patents All Time

Issued Patents All Time

Showing 26–36 of 36 patents

Patent #TitleCo-InventorsDate
4560330 Scroll device with suction chamber pressure relief Hiroaki Kuno, Naoshi Uchikawa, Takahiro Tamura, Takao Mizuno, Sumihisa Kotani 1985-12-24
4557675 Scroll-type fluid machine with back pressure chamber biasing an orbiting scroll member Hiroaki Kuno, Naoshi Uchikawa, Takahiro Tamura, Takao Mizuno, Sumihisa Kotani +4 more 1985-12-10
4551082 Bearing device of sealed type scroll compressor Eiichi Hazaki, Hiroaki Kuno, Naoshi Uchikawa, Takahiro Tamura, Takao Mizuno 1985-11-05
4545747 Scroll-type compressor Takahiro Tamura, Hiroaki Kuno, Naoshi Uchikawa, Takao Mizuno 1985-10-08
4518324 Sealed type electrically operated compressor Takao Mizuno, Naoshi Uchikawa, Takahiro Tamura 1985-05-21
4473343 Bearing device for scroll-type compressor Eiichi Hazaki, Kenji Tojo, Naoshi Uchikawa 1984-09-25
4382370 Refrigerating system using scroll type compressor Kazutaka Suefuji, Tetsuya Arata, Yoshikatsu Tomita, Sumihisa Kotani, Naoshi Uchikawa 1983-05-10
4371319 Hermetic motor compressor Fumio Harada, Tetsuya Arata, Masato Itagaki, Susumu Nakayama, Masahisa Sofue 1983-02-01
4352642 Hermetic motor-compressor Fumio Harada, Kazutaka Suefuji 1982-10-05
4317270 Method of making an elastic roller Tsuyoshi Watanabe, Hidetoshi Murase, Mikio Nakasugi 1982-03-02
4268943 Elastic roller for image forming Tsuyoshi Watanabe, Hidetoshi Murase, Mikio Nakasugi 1981-05-26