Inventor · disambiguated record
Akihito Okumura
Also filed as: OKUMURA AKIHITO
11 granted patents·5 pending applications·2 citations·filing 2015–2023
78Inventor score
Files withSEIKO INSTR INC5TOPPAN PRINTING CO LTD4SEIKO WATCH KK2TOSHIBA KK2RENESAS ELECTRONICS CORP1
Top patents by PatentIndex Score
16 records- 0180US12429828B2WatchSEIKO WATCH KK·Filed 2023·Granted Sep 30, 2025·0 cites·12 claims
- 0273US10866521B2Exposure apparatus and exposure methodTOPPAN PRINTING CO LTD·Filed 2019·Granted Dec 15, 2020·2 cites·12 claims
- 0369US2022100082A1Photomask, method for producing photomask, and method for producing color filter using photomaskTOPPAN INC·Filed 2021·Application pending·0 cites
- 0468US11909347B2Stepping motor control device, movement, timepiece, and stepping motor control methodSEIKO WATCH KK·Filed 2021·Granted Feb 20, 2024·0 cites·21 claims
- 0565US2019155147A1Photomask, method for producing photomask, and method for producing color filter using photomaskTOPPAN PRINTING CO LTD·Filed 2019·Application pending·0 cites
- 0664US2021271160A1Photomask, method for producing photomask, and method for producing color filter using photomaskTOPPAN PRINTING CO LTD·Filed 2021·Application pending·0 cites
- 0755US11221559B2PhotomaskTOPPAN PRINTING CO LTD·Filed 2020·Granted Jan 11, 2022·0 cites·20 claims
- 0854US12346068B2Stepping motor control device, movement, timepiece, and stepping motor control methodSEIKO WATCH KK TRADING AS SEIKO WATCH CORPORATION·Filed 2022·Granted Jul 1, 2025·0 cites·15 claims
- 0952US11424702B2Motor driving apparatus, motor driving method, and timepieceSEIKO INSTR INC·Filed 2020·Granted Aug 23, 2022·0 cites·14 claims
- 1051US11316454B2Stepping motor control device, timepiece and method for controlling stepping motorSEIKO INSTR INC·Filed 2020·Granted Apr 26, 2022·0 cites·11 claims
- 1151US11175631B2Analog electronic timepiece, stepping motor control device, and analog electronic timepiece control methodSEIKO INSTR INC·Filed 2020·Granted Nov 16, 2021·0 cites·8 claims
- 1251US10539927B2Timepiece, electronic device, and control method of timepieceSEIKO INSTR INC·Filed 2018·Granted Jan 21, 2020·0 cites·11 claims
- 1342US10849105B2Wireless communication device and program for controlling communication mode of the sameRENESAS ELECTRONICS CORP·Filed 2018·Granted Nov 24, 2020·0 cites·7 claims
- 1442US2019273456A1Stepping motor control device, timepiece, and control method of stepping motor for timepieceSEIKO INSTR INC·Filed 2019·Application pending·0 cites
- 1539US9807616B2Electronic apparatus and control method thereofTOSHIBA KK·Filed 2016·Granted Oct 31, 2017·0 cites·8 claims
- 1631US2015215055A1Wireless apparatus and controllerTOSHIBA KK·Filed 2015·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →