Inventor

HIRAYAMA NAOKI

JP6 patents

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

OKI ELECTRIC IND CO LTD

2 patents

US9335475B2May 10, 2016

Method of manufacturing an optical device having a stepwise or tapered light input/output part

OKI ELECTRIC IND CO LTD8 citations83

US9869815B2Jan 16, 2018

Optical device having a stepwise or tapered light input/output part and manufacturing method therefor

OKI ELECTRIC IND CO LTD4 citations72

HITACHI LTD

1 patent

US6732271B1May 4, 2004

Method of deciphering ciphered data and apparatus for same

HITACHI LTD19 citations87

TORAY INDUSTRIES

1 patent

US5478823ADec 26, 1995

Composition for suppressing infiltration of eosinophils

TORAY INDUSTRIES2 citations59

WESTERN DIGITAL TECH INC

1 patent

US12125507B2Oct 22, 2024

Hard disk drive breather filter enabling sorbent replacement

WESTERN DIGITAL TECH INC0 citations50

TOSHIBA KK

1 patent

US12494201B2Dec 9, 2025

Viewing assistance system, viewing assistance method, and nonvolatile recording medium storing program

TOSHIBA KK0 citations48