Inventor · disambiguated record
Kazumi Shimizu
Also filed as: SHIMIZU KAZUMI
4 granted patents·0 citations·filing 2011–2017
54Inventor score
Technology areasG02B
Top patents by PatentIndex Score
4 records- 0146US10054738B2Optical waveguide and arrayed waveguide gratingNTT ELECTRONICS CORP·Filed 2017·Granted Aug 21, 2018·0 cites·14 claims
- 0241US9075191B2Optical waveguide and arrayed waveguide gratingMORITA KEIICHI·Filed 2011·Granted Jul 7, 2015·0 cites·18 claims
- 0340US9020310B2Optical waveguide and arrayed waveguide gratingMORITA KEIICHI·Filed 2011·Granted Apr 28, 2015·0 cites·12 claims
- 0439US9618694B2Optical waveguide and arrayed waveguide gratingMORITA KEIICHI·Filed 2011·Granted Apr 11, 2017·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →