Inventor

OYA MASAKI

JP4 patents

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

TOYODA GOSEI KK

2 patents

US12439735B2Oct 7, 2025

Semiconductor device and method for producing semiconductor device

TOYODA GOSEI KK0 citations61

US10825971B2Nov 3, 2020

Light-emitting device including a Distributed Bragg Reflector (DBR) film

TOYODA GOSEI KK0 citations42

KOITO MFG CO LTD

1 patent

US11462659B2Oct 4, 2022

Semiconductor light emitting device and manufacturing method of semiconductor light emitting device

KOITO MFG CO LTD0 citations59

GS YUASA INT LTD

1 patent

US12472828B2Nov 18, 2025

Computer program, determination device, and determination method

GS YUASA INT LTD0 citations55