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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RH

Ryu Hariyoshi — 3 Patents

General Motors: 2 patents #6,303 of 18,328Top 35%
ILIsuzu Motors Limited: 1 patents #414 of 908Top 50%
Auburn Hills, MI: #172 of 602 inventorsTop 30%
Michigan: #27,426 of 86,293 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Ryu Hariyoshi has been granted 3 US patents while listed as an inventor at General Motors. The first was granted in 2004 and the most recent in August 2016. Ryu Hariyoshi ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Ryu Hariyoshi in Auburn Hills, MI, US.

Patents per Year

Patents granted per year, 2004 to 2016Bar chart with a peak of 1 patents in 2004.peak 12004: 1 patents20042012: 1 patents20122016: 1 patents2016

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9422883 Increased exhaust temperature warm-up for a rapid light-off of a close-coupled diesel oxidation catalyst Ping Ge 2016-08-23 $12,636,000
8122712 Exhaust system with improved NOX emission control Shouxian Ren 2012-02-28 $8,900,000
6688279 Compression-ignition internal combustion engine Naoya Ishikawa, Teruo Nakada, Yutaka Uematsu, Masato Honda, Tetsuya Honma +1 more 2004-02-10