Inventor · disambiguated record
Ryuichi Sunagawa
Also filed as: SUNAGAWA RYUICHI
13 granted patents·1 pending application·144 citations·filing 1999–2020
89Inventor score
Top patents by PatentIndex Score
14 records- 0192US6442119B1Method and apparatus for recording optical informationTAIYO YUDEN KK·Filed 1999·Granted Aug 27, 2002·93 cites·14 claims
- 0284US6208601B1Optical information recording method and apparatusTAIYO YUDEN KK·Filed 2000·Granted Mar 27, 2001·19 cites·8 claims
- 0378US6813232B1Optical information recording/reproducing method and device thereforTAIYO YUDEN KK·Filed 2000·Granted Nov 2, 2004·15 cites·28 claims
- 0477US7050367B1Optical information recording method and apparatus, and recorded medium where optical information recording control program is recordedTAIYO YUDEN KK·Filed 2000·Granted May 23, 2006·13 cites·39 claims
- 0573US10495747B2Snow quality measuring apparatus and snow quality measuring methodTAIYO YUDEN KK·Filed 2016·Granted Dec 3, 2019·2 cites·9 claims
- 0660US10823601B2Water level measuring system, information processing apparatus, and water level measuring methodTAIYO YUDEN KK·Filed 2019·Granted Nov 3, 2020·0 cites·11 claims
- 0755US6874156B2Optical information recording mediumTAIYO YUDEN KK·Filed 2001·Granted Mar 29, 2005·2 cites·3 claims
- 0847US11068289B2Installation assist apparatus, installation assist method, and computer program productTAIYO YUDEN KK·Filed 2020·Granted Jul 20, 2021·0 cites·9 claims
- 0946US10571327B2Water level measuring deviceTAIYO YUDEN KK·Filed 2017·Granted Feb 25, 2020·0 cites·12 claims
- 1046US7633844B2Optical information recording apparatus, optical information recording method, and signal processing circuitTAIYO YUDEN KK·Filed 2006·Granted Dec 15, 2009·0 cites·12 claims
- 1145US10698098B2Millimeter wave radar and millimeter wave radar detection methodTAIYO YUDEN KK·Filed 2017·Granted Jun 30, 2020·0 cites·12 claims
- 1242US2006023581A1Optical disk recording device and pickup deviceSUNAGAWA RYUICHI·Filed 2005·Application pending·0 cites
- 1341US6990049B2Optical information recording medium, method for recording/reproducing the same, and optical pickupTAIYO YUDEN KK·Filed 2001·Granted Jan 24, 2006·0 cites·5 claims
- 1441US6792613B2Optical information recording mediumTAIYO YUDEN KK·Filed 2001·Granted Sep 14, 2004·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →