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

Ryo Ohara — 3 Patents

MKMiyoshi Kasei: 2 patents #5 of 20Top 25%
IHIhi: 1 patents #624 of 1,178Top 55%
Saitama, JP: #4,031 of 10,685 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Ryo Ohara has been granted 3 US patents while listed as an inventor at Miyoshi Kasei. The first was granted in 2001 and the most recent in August 2021. Ryo Ohara ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Ryo Ohara in Saitama, JP.

Patents per Year

Patents granted per year, 2001 to 2021Bar chart with a peak of 1 patents in 2001.peak 12001: 1 patents20012002: 1 patents20022021: 1 patents2021

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11098620 Variable compression ratio mechanism Yutaka Masuda, Jun Teramoto 2021-08-24
6482441 Coated powder having super-dispersibility and cosmetic containing the same Yukio Hasegawa 2002-11-19
6296860 Coated pigments and extender pigments, and cosmetics containing the same Yukio Hasegawa, Taizo Miyoshi 2001-10-02