Inventor · disambiguated record
Masashi Nakajima
Also filed as: NAKAJIMA MASASHI
15 granted patents·7 pending applications·135 citations·filing 1987–2025
91Inventor score
Top patents by PatentIndex Score
22 records- 0189US5300654AMethod for the preparation of unsaturated ketonesNIPPON SODA CO·Filed 1990·Granted Apr 5, 1994·56 cites·3 claims
- 0280US4921988AProcess for preparing aminopropyl silanesTOA NENRYO KOGYO KK·Filed 1988·Granted May 1, 1990·19 cites·7 claims
- 0377US2025255483A1Ophthalmic apparatus and method of controlling sameTOPCON CORP·Filed 2025·Application pending·0 cites
- 0470US2022322935A1Ophthalmic apparatus and method of controlling sameTOPCON CORP·Filed 2022·Application pending·0 cites
- 0570US2025352056A1Ophthalmic apparatus and ophthalmic information processing apparatusTOPCON CORP·Filed 2025·Application pending·0 cites
- 0667US10959614B2Ophthalmologic device and pupil state measuring methodTOPCON CORP·Filed 2018·Granted Mar 30, 2021·1 cites·16 claims
- 0766US10123700B2Ophthalmic apparatus and alignment method for ophthalmic apparatusTOPCON CORP·Filed 2017·Granted Nov 13, 2018·1 cites·8 claims
- 0866US4902736AOne-part curing compositionTORAY THIOKOL KK·Filed 1987·Granted Feb 20, 1990·17 cites·22 claims
- 0961US12402789B2Ophthalmic apparatus, method of controlling ophthalmic apparatus, and recording mediumTOPCON CORP·Filed 2023·Granted Sep 2, 2025·0 cites·24 claims
- 1059US5008455AMethod for the production of hydroxylamine derivativesNIPPON SODA CO·Filed 1989·Granted Apr 16, 1991·7 cites·12 claims
- 1158US5808055ACopper catalyzed process for producing 4-substituted azetidinone derivativesSUNTORY LTD·Filed 1995·Granted Sep 15, 1998·10 cites·6 claims
- 1258US2024000310A1Ophthalmic information processing apparatus, ophthalmic apparatus, ophthalmic information processing method, and recording mediumTOPCON CORP·Filed 2023·Application pending·0 cites
- 1357US2023023425A1Ophthalmic apparatusTOPCON CORP·Filed 2022·Application pending·0 cites
- 1456US12226161B2Ophthalmic apparatusTOPCON CORP·Filed 2021·Granted Feb 18, 2025·0 cites·19 claims
- 1555US2025318727A1Ophthalmic apparatusTOPCON CORP·Filed 2025·Application pending·0 cites
- 1651US10743762B2Ophthalmologic apparatusTOPCON CORP·Filed 2018·Granted Aug 18, 2020·0 cites·17 claims
- 1751US5214151AMethod for the preparation of α, β-unsaturated ketonesNIPPON SODA CO·Filed 1990·Granted May 25, 1993·6 cites·6 claims
- 1847US2023404390A1Myopia progression analysis device, myopia progression analysis system, myopia progression analysis method, and myopia progression analysis programTOPCON CORP·Filed 2021·Application pending·0 cites
- 1946US5747595ACatalyst for the polymerization of olefines and processes for the polymerization of olefines using the sameTONEN CORP·Filed 1996·Granted May 5, 1998·16 cites·14 claims
- 2041US9693681B2Ophthalmic apparatusKK TOPCON·Filed 2014·Granted Jul 4, 2017·0 cites·8 claims
- 2140US5856549ASilane compound and process for the preparation thereofTONEN CORP·Filed 1996·Granted Jan 5, 1999·2 cites·2 claims
- 2222US5484949AMethod for the synthesis of α β-unsaturated ketonesNIPPON SODA CO·Filed 1994·Granted Jan 16, 1996·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →