Inventor · disambiguated record
Keisuke Tsubonoya
Also filed as: TSUBONOYA KEISUKE
7 granted patents·4 pending applications·3 citations·filing 2017–2024
73Inventor score
Technology areasG02B
Files withNIKON CORP11
Top patents by PatentIndex Score
11 records- 0188US12092804B2Optical system, optical apparatus and method for manufacturing the optical systemNIKON CORP·Filed 2023·Granted Sep 17, 2024·1 cites·23 claims
- 0276US11686926B2Optical system, optical apparatus, and method of manufacturing optical systemNIKON CORP·Filed 2017·Granted Jun 27, 2023·2 cites·24 claims
- 0376US2024402474A1Optical system, optical apparatus and method for manufacturing the optical systemNIKON CORP·Filed 2024·Application pending·0 cites
- 0475US12072476B2Optical system, optical apparatus, and method of manufacturing optical systemNIKON CORP·Filed 2023·Granted Aug 27, 2024·0 cites·22 claims
- 0564US11733499B2Optical system, optical apparatus and method for manufacturing the optical systemNIKON CORP·Filed 2020·Granted Aug 22, 2023·0 cites·25 claims
- 0650US12025779B2Optical system, optical equipment, and manufacturing method for optical systemNIKON CORP·Filed 2018·Granted Jul 2, 2024·0 cites·20 claims
- 0750US11971540B2Optical system, optical apparatus, and method of manufacturing optical systemNIKON CORP·Filed 2017·Granted Apr 30, 2024·0 cites·20 claims
- 0850US2024264418A1Variable magnification optical system, optical apparatus, and method for manufacturing variable magnification optical systemNIKON CORP·Filed 2022·Application pending·0 cites
- 0950US2024255742A1Variable magnification optical system, optical apparatus, and method for manufacturing variable magnification optical systemNIKON CORP·Filed 2022·Application pending·0 cites
- 1049US12372761B2Variable magnification optical system, optical equipment, and method for producing variable magnification optical systemNIKON CORP·Filed 2019·Granted Jul 29, 2025·0 cites·22 claims
- 1139US2021191112A1Optical system, optical apparatus, and method of manufacturing optical systemNIKON CORP·Filed 2017·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Keisuke Tsubonoya files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →