Inventor

KOYAMA TOMOYUKI

JP8 patents

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

NOK CORP

2 patents

US11015709B2May 25, 2021

Gasket and sealing structure

NOK CORP1 citations59

US8003030B2Aug 23, 2011

Process for production of gaskets

NOK CORP0 citations31

JAPAN SCIENCE & TECH AGENCY

1 patent

US7823858B2Nov 2, 2010

Method for forming masonry unit

JAPAN SCIENCE & TECH AGENCY16 citations81

YOSHITSUNE SHUJI

1 patent

US9027936B2May 12, 2015

Gasket

YOSHITSUNE SHUJI4 citations69

NIPPON MUSICAL INSTRUMENTS MFG

1 patent

US4318740AMar 9, 1982

Low alloy lead frame

NIPPON MUSICAL INSTRUMENTS MFG3 citations59

UNIV KEIO

1 patent

US12357579B2Jul 15, 2025

Capsule for treating ulcerative colitis

UNIV KEIO0 citations55

KOYAMA TOMOYUKI

1 patent

US8814771B2Aug 26, 2014

Tool holding and conveying chain

KOYAMA TOMOYUKI2 citations54

TSUBAKIMOTO CHAIN CO

1 patent

US11772217B2Oct 3, 2023

Conveyance chain, tool change system and multiple link plates

TSUBAKIMOTO CHAIN CO0 citations40