P

Inventor

NAGAYAMA HIROYUKI

JP13 patents
⚠️ This page may combine multiple inventors who share the name “NAGAYAMA HIROYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOTO LTD

4 patents
US5742123AApr 21, 1998

Sealing structure for light-emitting bulb assembly and method of manufacturing same

TOTO LTD47 citations91
US5972067AOct 26, 1999

Gradient function material seal cap for discharge lamp bulb

TOTO LTD5 citations72
US5653924AAug 5, 1997

Methods of manufacturing gradient function material

TOTO LTD12 citations72
US5943546AAug 24, 1999

Gradient function material

TOTO LTD1 citations61

NISHIKAWA CO LTD

2 patents
USD1035329SJul 16, 2024

Cushion material

NISHIKAWA CO LTD0 citations58
USD1033985SJul 9, 2024

Cushion material

NISHIKAWA CO LTD1 citations58

MITSUI PETROCHEMICAL IND

1 patent
US5614044AMar 25, 1997

Method of manufacturing a laminated ceramic device

MITSUI PETROCHEMICAL IND17 citations72

NAGAYAMA HIROYUKI

1 patent
US9579870B2Feb 28, 2017

Welded joint of duplex stainless steel

NAGAYAMA HIROYUKI2 citations65

MITSUBISHI ELECTRIC CORP

1 patent
US6631475B1Oct 7, 2003

Microcomputer including system for controlling and maintaining the electric potential of an input terminal to improve interrupt response time

MITSUBISHI ELECTRIC CORP2 citations57

MITSUBISHI RES INST INC

1 patent
US6913735B2Jul 5, 2005

Methane/methanol producing system

MITSUBISHI RES INST INC5 citations54

CANON KK

1 patent
US12552154B2Feb 17, 2026

Liquid discharge apparatus and control method thereof

CANON KK0 citations51

MOTOYA DAISUKE

1 patent
US9771628B2Sep 26, 2017

Duplex stainless steel and production method therefor

MOTOYA DAISUKE1 citations44

NIPPON STEEL & SUMITOMO METAL CORP

1 patent
US10131962B2Nov 20, 2018

Seamless steel pipe and method for producing same

NIPPON STEEL & SUMITOMO METAL CORP0 citations41