Inventor · disambiguated record
Tohru Sugamata
Also filed as: SUGAMATA TOHRU
7 granted patents·1 pending application·100 citations·filing 1997–2006
85Inventor score
Files withSUMITOMO OSAKA CEMENT CO LTD7
Top patents by PatentIndex Score
8 records- 0179US7444039B2Optical modulatorSUMITOMO OSAKA CEMENT CO LTD·Filed 2006·Granted Oct 28, 2008·10 cites·15 claims
- 0276US7558444B2Traveling-wave-type optical modulator and method of adjusting the sameSUMITOMO OSAKA CEMENT CO LTD·Filed 2005·Granted Jul 7, 2009·6 cites·8 claims
- 0373US7912325B2Optical control elementSUMITOMO OSAKA CEMENT CO LTD·Filed 2006·Granted Mar 22, 2011·4 cites·14 claims
- 0466US7035488B2Optical waveguide elementSUMITOMO OSAKA CEMENT CO LTD·Filed 2005·Granted Apr 25, 2006·2 cites·13 claims
- 0566US5748358AOptical modulator with optical waveguide and traveling-wave type electrodesSUMITOMO OSAKA CEMENT CO LTD·Filed 1997·Granted May 5, 1998·39 cites·42 claims
- 0660US6522792B1Light modulator of waveguide typeSUMITOMO OSAKA CEMENT CO LTD·Filed 1999·Granted Feb 18, 2003·28 cites·9 claims
- 0741US5982958AOptical waveguide modulator deviceSUMITOMO OSAKA CEMENT CO LTD·Filed 1997·Granted Nov 9, 1999·11 cites·16 claims
- 0837US2003007711A1Optical waveguideFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →