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

Karin Janssen — 2 Patents

KAKaneka: 2 patents #598 of 1,525Top 40%
KNKaneka Belgium Nv: 2 patents #1 of 20Top 5%
Diest, BE: #15 of 34 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Karin Janssen has been granted 2 US patents while listed as an inventor at Kaneka. The first was granted in 2000 and the most recent in April 2001. Karin Janssen ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Karin Janssen in Diest, BE.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6221966 Vinyl chloride resin composition Yasushi Nakanishi, Mamoru Kadokura, Akira Takaki, Yasuhiro Miki 2001-04-24
6140417 Vinyl chloride resin composition Yasushi Nakanishi, Mamoru Kadokura, Akira Takaki, Yasuhiro Miki 2000-10-31