Inventor

KOYAMA SHOGO

JP2 patents

⚠️ This page may combine multiple inventors who share the name “KOYAMA SHOGO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NISHINA KOGYO KK

1 patent

US12585295B2Mar 24, 2026

Solenoid proportional relief valve

NISHINA KOGYO KK0 citations31

MIYASHITA TADAKAZU

1 patent

US8888562B2Nov 18, 2014

Double-side polishing apparatus

MIYASHITA TADAKAZU0 citations24