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

Ryu Kajiki — 4 Patents

ICIhara Chemical Industry Co.: 2 patents #120 of 263Top 50%
KCKumiai Chemical Industry Co.: 2 patents #133 of 284Top 50%
FMFmc: 2 patents #674 of 1,735Top 40%
Iwata, JP: #262 of 782 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Ryu Kajiki has been granted 4 US patents while listed as an inventor at Fmc. The first was granted in 2011 and the most recent in September 2018. Ryu Kajiki ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Ryu Kajiki in Iwata, JP.

Patents per Year

Patents granted per year, 2011 to 2018Bar chart with a peak of 1 patents in 2011.peak 12011: 1 patents20112015: 1 patents20152017: 1 patents20172018: 1 patents2018

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10081608 6-acyl-1,2,4-triazine-3,5-dione derivative and herbicides Atsushi Shibayama, Masami Kobayashi, Takashi Mitsunari, Atsushi Nagamatsu 2018-09-25 $28,628,000
9573909 6-acyl-1,2,4-triazine-3,5-dione derivative and herbicides Atsushi Shibayama, Masami Kobayashi, Takashi Mitsunari, Atsushi Nagamatsu 2017-02-21 $47,736,000
8969554 6-acyl-1,2,4-triazine-3,5-dione derivative and herbicides Atsushi Shibayama, Masami Kobayashi, Takashi Mitsunari, Atsushi Nagamatsu 2015-03-03
8076487 Pyridone derivative and herbicide Fumiaki Takabe, Shunichirou Fukumoto, Sohei Asakura, Ryohei Ueno, Masami Kobayashi +4 more 2011-12-13