Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.
KN

Kenichiro NISHIKI

HHHitachi High-Technologies: 1 patents #155 of 456Top 35%
Overall (2025): #318,170 of 469,880Top 70%
1 Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12247959 Flow passage switching valve, flow passage switching valve system, and liquid chromatograph Ayano OTSUBO, Nobuhiro Tsukada, Hisao Inami, Shoji Tomida, Mitsuhiko Ueda +1 more 2025-03-11