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

Noriyoshi KAYABA — 3 Patents

AGAgc: 1 patents #509 of 954Top 55%
AEAgc Glass Europe: 1 patents #134 of 252Top 55%
ACAsahi Glass Co.: 1 patents #1,233 of 2,251Top 55%
Tokyo, JP: #36,070 of 90,295 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Noriyoshi KAYABA has been granted 3 US patents while listed as an inventor at Agc. The first was granted in 2014 and the most recent in October 2025. Noriyoshi KAYABA ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Noriyoshi KAYABA in Tokyo, JP.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12451512 Glass frit, crystallized glass, method for producing crystallized glass, solid electrolyte, and lithium ion secondary battery Takeya MEZAKI, Tomohiro Sakai 2025-10-21
11563403 Coating material, cover glass, solar cell module and outer wall material for building Yu Onozaki, Tomohiro Sakai, Shun Saito, Aichi Inoue, Tetsuji Irie 2023-01-24
8921247 Optical glass, preform for press-molding and optical element formed from preform 2014-12-30