Inventor

NAKAGAWA YOHEI

JP6 patents

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

YANMAR HOLDINGS CO LTD

2 patents

US12115920B2Oct 15, 2024

Work vehicle

YANMAR HOLDINGS CO LTD0 citations57

US11904777B2Feb 20, 2024

Work vehicle

YANMAR HOLDINGS CO LTD1 citations57

SEIKO EPSON CORP

2 patents

US12211954B2Jan 28, 2025

Light emitting apparatus and projector

SEIKO EPSON CORP0 citations49

US12308617B2May 20, 2025

Light emitting device and projector

SEIKO EPSON CORP0 citations48

NAKAGAWA YOHEI

1 patent

US8406108B2Mar 26, 2013

Objective lens for optical pickup and optical pickup device

NAKAGAWA YOHEI2 citations50

SANYO ELECTRIC CO

1 patent

US8369202B2Feb 5, 2013

Objective lens for optical pickup and optical pickup device

SANYO ELECTRIC CO0 citations46