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

Masaru Kashima — 1 Patent

UNUnknown: 2 patents #12,644 of 83,584Top 20%
UNUnitika: 1 patents #257 of 620Top 45%
Osaka, JP: #16,075 of 24,344 inventorsTop 70%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Masaru Kashima has been granted 1 US patent while listed as an inventor at Unknown. All of these patents were granted in 1985. Masaru Kashima ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Masaru Kashima in Osaka, JP.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4554253 Apparatus for synthesizing adenosine-5'-triphosphate Kazutomo Imahori, Tatsuo Iwasaki, Hiroshi Nakajima, Hitoshi Kondo, Isao Tomioka +1 more 1985-11-19