Inventor · disambiguated record
Tohru Iwai
Also filed as: IWAI TOHRU
8 granted patents·234 citations·filing 1981–2002
89Inventor score
Top patents by PatentIndex Score
8 records- 0192US4429392ALaser output controlling deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 1981·Granted Jan 31, 1984·44 cites·6 claims
- 0283US5815795AOscillation detecting system for wireless repeaterSUMITOMO ELECTRIC INDUSTRIES·Filed 1996·Granted Sep 29, 1998·88 cites·18 claims
- 0377US6521829B2Electromagnetic wave absorbing sheetJAPAN SCIENCE & TECH CORP·Filed 2002·Granted Feb 18, 2003·27 cites·10 claims
- 0470US4444462APicture image observation systemSUMITOMO ELECTRIC INDUSTRIES·Filed 1981·Granted Apr 24, 1984·25 cites·7 claims
- 0565US4823138ARoadside beacon systemSUMITOMO ELECTRIC INDUSTRIES·Filed 1987·Granted Apr 18, 1989·21 cites·12 claims
- 0661US4983984ARoadside beacon system with polarized beamsSUMITOMO ELECTRIC INDUSTRIES·Filed 1987·Granted Jan 8, 1991·18 cites·2 claims
- 0740US4833481ARoadside beacon systemSUMITOMO ELECTRIC INDUSTRIES·Filed 1987·Granted May 23, 1989·8 cites·18 claims
- 0831US4887090AVehicle antenna with shiftable gain patternsSUMITOMO ELECTRIC INDUSTRIES·Filed 1987·Granted Dec 12, 1989·3 cites·9 claims
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