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

Katuyoshi Ishida — 1 Patent

FUFujikura: 1 patents #788 of 1,407Top 60%
NTNTT: 1 patents #2,911 of 4,871Top 60%
Shisui, JP: #552 of 812 inventorsTop 70%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Katuyoshi Ishida has been granted 1 US patent while listed as an inventor at Fujikura. All of these patents were granted in 2001. Katuyoshi Ishida ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Katuyoshi Ishida in Shisui, JP.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6195489 Optical fiber cord, ribbon cord using the same and ribbon cord branch line Keiji Oohashi, Tsuyoshi Shimomichi, Etsuo Ino, Tetsuo Hayano, Kazunaga Kobayashi +2 more 2001-02-27 $3,920,000