Inventor · disambiguated record
Takeshi Okawada
Also filed as: OKAWADA TAKESHI
4 granted patents·119 citations·filing 1983–1989
79Inventor score
Technology areasF04D
Files withHITACHI LTD4
Top patents by PatentIndex Score
4 records- 0185US5020969ATurbo vacuum pumpHITACHI LTD·Filed 1989·Granted Jun 4, 1991·55 cites·30 claims
- 0282US4579508ATurbomolecular pumpHITACHI LTD·Filed 1983·Granted Apr 1, 1986·43 cites·6 claims
- 0345US4735550ATurbo molecular pumpHITACHI LTD·Filed 1986·Granted Apr 5, 1988·13 cites·3 claims
- 0435US4732530ATurbomolecular pumpHITACHI LTD·Filed 1985·Granted Mar 22, 1988·8 cites·10 claims
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