Inventor · disambiguated record
Ryutaro Nakagawa
Also filed as: NAKAGAWA RYUTARO
5 granted patents·9 pending applications·4 citations·filing 2007–2023
65Inventor score
Top patents by PatentIndex Score
14 records- 0166US7644421B2Optical pickupFUNAI ELECTRIC CO·Filed 2007·Granted Jan 5, 2010·2 cites·5 claims
- 0265US2025179274A1Rubber composition for tiresYOKOHAMA RUBBER CO LTD·Filed 2023·Application pending·0 cites
- 0365US2025179276A1Tire rubber compositionYOKOHAMA RUBBER CO LTD·Filed 2023·Application pending·0 cites
- 0461US2025179275A1Tire rubber compositionYOKOHAMA RUBBER CO LTD·Filed 2023·Application pending·0 cites
- 0560US10723176B2Rubber composition for sidewalls, and pneumatic tire using sameYOKOHAMA RUBBER CO LTD·Filed 2016·Granted Jul 28, 2020·0 cites·8 claims
- 0652US2022289949A1Studless tire rubber composition and studless tire using sameYOKOHAMA RUBBER CO LTD·Filed 2020·Application pending·0 cites
- 0749US10072102B2Phosphoric acid-modified polymerYOKOHAMA RUBBER CO LTD·Filed 2015·Granted Sep 11, 2018·0 cites·6 claims
- 0849US2020001651A1Pneumatic TireYOKOHAMA RUBBER CO LTD·Filed 2018·Application pending·0 cites
- 0944US11359075B2Rubber composition for a tire tread and pneumatic tire using the sameYOKOHAMA RUBBER CO LTD·Filed 2018·Granted Jun 14, 2022·0 cites·16 claims
- 1041US2017182843A1Rubber Composition and Pneumatic Tire Using SameYOKOHAMA RUBBER CO LTD·Filed 2015·Application pending·0 cites
- 1137US2018057675A1Rubber Composition, and Pneumatic Tire Using SameYOKOHAMA RUBBER CO LTD·Filed 2016·Application pending·0 cites
- 1236USD971176SAcoustic transducerSONY CORP·Filed 2019·Granted Nov 29, 2022·2 cites·1 claims
- 1336US2017183482A1Rubber Composition and Pneumatic Tire Using SameYOKOHAMA RUBBER CO LTD·Filed 2015·Application pending·0 cites
- 1435US2022312101A1EarphoneSONY GROUP CORP·Filed 2020·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Ryutaro Nakagawa 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 →