Inventor · disambiguated record
Tatsuji Ikegami
Also filed as: IKEGAMI TATSUJI
6 granted patents·76 citations·filing 1986–1991
84Inventor score
Technology areasF04D
Top patents by PatentIndex Score
6 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
- 0347US5160250AVacuum pump with a peripheral groove pump unitOSAKA VACUUM LTD·Filed 1991·Granted Nov 3, 1992·14 cites·2 claims
- 0437US5221179AVacuum pumpOSAKA VACUUM LTD·Filed 1991·Granted Jun 22, 1993·9 cites·5 claims
- 0531US5217346AVacuum pumpOSAKA VACUUM LTD·Filed 1991·Granted Jun 8, 1993·6 cites·2 claims
- 0630US4708586AThread groove type vacuum pumpRIKAGAKU KENKYUSHO·Filed 1986·Granted Nov 24, 1987·4 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →