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

Hiroshi Katayanagi — 3 Patents

NPNec Platforms: 1 patents #114 of 361Top 35%
PCParamount Bed Co.: 1 patents #52 of 95Top 55%
Yokohama, JP: #22,013 of 49,234 inventorsTop 45%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Hiroshi Katayanagi has been granted 3 US patents while listed as an inventor at Nec Platforms. The first was granted in 2024 and the most recent in October 2025. Hiroshi Katayanagi ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Hiroshi Katayanagi in Yokohama, JP.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12435501 Information processing apparatus, information processing method, and non-transitory computer-readable medium Junichiro Kumagai, Keita Yamaguchi, Ikuhiro Aota, Kazutoshi Ohishi, Taiki YAMAMOTO +2 more 2025-10-07
12414660 Information collection apparatus and apparatus attaching method Takeshi Yamamoto, Hirokazu Kobayashi, Junpei Kumagai, Kazutoshi Ohishi, Keita Yamaguchi +1 more 2025-09-16
D1010804 Sensor for excrement detection Kazuhiro Kakehata, Ikuhiro Aota 2024-01-09