Inventor · disambiguated record
Tutomu Kawasaki
Also filed as: KAWASAKI TUTOMU
4 granted patents·121 citations·filing 1987–2013
78Inventor score
Top patents by PatentIndex Score
4 records- 0184US4803361APhotoelectric device with optical fiber and laser emitting chipHITACHI LTD·Filed 1987·Granted Feb 7, 1989·54 cites·20 claims
- 0279US4997243AMethod of mounting a light emitting chip and an optical fiber on a photoelectric deviceHITACHI LTD·Filed 1990·Granted Mar 5, 1991·54 cites·4 claims
- 0350US4920262APhotoelectric device with leadsHITACHI LTD·Filed 1989·Granted Apr 24, 1990·13 cites·12 claims
- 0440US9878224B2Rod-like object for ball games and method for using the sameSUZUKI TAKAHITO·Filed 2013·Granted Jan 30, 2018·0 cites·13 claims
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