Inventor · disambiguated record
Masashi Iguchi
Also filed as: IGUCHI MASASHI
8 granted patents·92 citations·filing 1986–2007
87Inventor score
Top patents by PatentIndex Score
8 records- 0163US5074747AVacuum pumpOSAKA VACUUM LTD·Filed 1990·Granted Dec 24, 1991·25 cites·2 claims
- 0253US5219269AVacuum pumpOSAKA VACUUM LTD·Filed 1991·Granted Jun 15, 1993·18 cites·2 claims
- 0348US5632597AThread groove type vacuum pumpOSAKA VACUUM LTD·Filed 1996·Granted May 27, 1997·16 cites·4 claims
- 0447US5160250AVacuum pump with a peripheral groove pump unitOSAKA VACUUM LTD·Filed 1991·Granted Nov 3, 1992·14 cites·2 claims
- 0541US8449195B2Retainer of ball bearingIGUCHI MASASHI·Filed 2007·Granted May 28, 2013·0 cites·4 claims
- 0637US5221179AVacuum pumpOSAKA VACUUM LTD·Filed 1991·Granted Jun 22, 1993·9 cites·5 claims
- 0731US5217346AVacuum pumpOSAKA VACUUM LTD·Filed 1991·Granted Jun 8, 1993·6 cites·2 claims
- 0830US4708586AThread groove type vacuum pumpRIKAGAKU KENKYUSHO·Filed 1986·Granted Nov 24, 1987·4 cites·3 claims
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