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

Tatsuhiko Kato — 2 Patents

SISintokogio: 2 patents #157 of 455Top 35%
Shinshiro, JP: #18 of 41 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Tatsuhiko Kato has been granted 2 US patents while listed as an inventor at Sintokogio. All of these patents were granted in 1998. Tatsuhiko Kato ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Tatsuhiko Kato in Shinshiro, JP.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5841041 Porous mold material for casting and a method of producing the same Norihiro Asano 1998-11-24
5800790 Filter for treatment of carbon-based particles in exhaust gas and a device for said treatment using said filter Masato Imamura, Kiichi Nakajima, Katsumi Jindo, Toshio Asami, Kouichi Ushiroebisu +4 more 1998-09-01