Inventor

OTSUKA MASAKI

JP8 patents

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

OLYMPUS CORP

3 patents

US12256896B2Mar 25, 2025

Endoscope distal end frame and endoscope

OLYMPUS CORP0 citations59

US11584055B2Feb 21, 2023

Two-color molding die, manufacturing method of two-color molded article, and imaging device including optical functional components

OLYMPUS CORP0 citations48

US10022926B2Jul 17, 2018

Injection molding method and injection molding die

OLYMPUS CORP0 citations31

NISSHIN STEEL CO LTD

1 patent

US6210501B1Apr 3, 2001

Heavy-duty cold-rolling for mechanically descaling a hot-rolled steel strip before pickling

NISSHIN STEEL CO LTD36 citations87

HITACHI LTD

1 patent

US5856281AJan 5, 1999

Bearing and manufacturing method of bearing, and magnetic disk device with bearing containing a lubricating grease

HITACHI LTD3 citations57

WESTERN DIGITAL TECH INC

1 patent

US12283292B2Apr 22, 2025

Hard disk drive idle sweep for thermal asperity avoidance

WESTERN DIGITAL TECH INC0 citations54

CANON KK

1 patent

US12101751B2Sep 24, 2024

Communication apparatus, control method, and computer-readable storage medium

CANON KK0 citations48

MIZUMOTO NAOSHI

1 patent

US9196312B2Nov 24, 2015

Disk drive with air-flow control component

MIZUMOTO NAOSHI1 citations46