SK

Sadao Kawahara

Sumitomo Electric Industries: 19 patents #1,151 of 21,551Top 6%
Overall (All Time): #242,143 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
6742998 Linear compressor with vibration canceling spring arrangement Nobuaki Ogawa, Teruyuki Akazawa, Yasuhiro Asaida, Masaru Nagaike, Hiroshi Hasegawa 2004-06-01
6626651 Linear compressor Teruyuki Akazawa, Sugimatsu Hasegawa 2003-09-30
6565332 Linear compressor Teruyuki Akazawa 2003-05-20
6506032 Linear compressor Teruyuki Akazawa 2003-01-14
6328544 Linear compressor Teruyuki Akazawa 2001-12-11
6273688 Linear compressor Teruyuki Akazawa 2001-08-14
6250895 Linear compressor Teruyuki Akazawa 2001-06-26
5634782 Scroll compressor having a horseshoe-shaped partition wall on the stationary end plate Teruyuki Akazawa, Akihiko Shimizu, Yoshifumi Abe 1997-06-03
5597296 Scroll compressor having a check valve received in a stationary scroll member recess Teruyuki Akazawa, Akihiko Shimizu, Yoshifumi Abe 1997-01-28
5562436 Scroll compressor having improved orbital drive mechanism Teruyuki Akazawa, Kunio Iwanami, Masafumi Fukushima, Akihiko Shimizu 1996-10-08
5536152 Scroll compressor having improved orbital drive mechanism Takao Fujita, Tatsuhisa Taguchi, Teruyuki Akazawa, Masahiko Makino, Nobuaki Ogawa 1996-07-16
5395214 Starting method for scroll-type compressor Michio Yamamura, Jiro Yuda, Yoshinori Kojima, Shuichi Yamamoto, Manabu Sakai +3 more 1995-03-07
5395222 Scroll compressor having recesses on the scroll wraps Michio Yamamura, Jiro Yuda, Yoshinori Kojima, Shuichi Yamamoto, Manabu Sakai +2 more 1995-03-07
5391066 Motor compressor with lubricant separation Kiyoshi Sawai, Manabu Sakai, Shotaro Ito, Yoshinori Kojima, Michio Yamamura +1 more 1995-02-21
5340287 Scroll-type compressor having a plate preventing excess lift of the crankshaft Yoshinori Kojima, Osamu Aiba 1994-08-23
5217360 Scroll compressor with swirling impeller biased by cooled lubricant Michio Yamamura, Jiro Yuda, Yoshinori Kojima, Shuichi Yamamoto, Manabu Sakai +2 more 1993-06-08
5217359 Scroll compressor with regulated oil flow to the back pressure chamber Michio Yamamura, Jiro Yuda, Yoshinori Kojima, Shuichi Yamamoto, Manabu Sakai +2 more 1993-06-08
5213489 Scroll compressor with axial vibration prevention for a shaft bearing Michio Yamamura, Jiro Yuda, Yoshinori Kojima, Shuichi Yamamoto, Manabu Sakai +2 more 1993-05-25
5188521 Scroll compressor with reduced vibration resulting from the Oldham's ring Michio Yamamura, Jiro Yuda, Yoshinori Kojima, Shuichi Yamamoto, Manabu Sakai +2 more 1993-02-23