P

Inventor

YOSHIDA HISASHI

JP91 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIDA HISASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOSHIBA KK

18 patents
US10186588B1Jan 22, 2019

Semiconductor substrate and semiconductor device

TOSHIBA KK12 citations83
US6556126B1Apr 29, 2003

Wireless recording medium, gate system & transactions system

TOSHIBA KK14 citations83
US6749118B2Jun 15, 2004

Automatic ticket gate apparatus

TOSHIBA KK19 citations82
US11276774B2Mar 15, 2022

Semiconductor device, inverter circuit, driving device, vehicle, and elevator

TOSHIBA KK2 citations73
US10886747B2Jan 5, 2021

Power generation element, power generation module, power generation device, and power generation system

TOSHIBA KK2 citations73
US11758812B2Sep 12, 2023

Power generation element, power generation module, power generation device, and power generation system

TOSHIBA KK0 citations63
US11657997B2May 23, 2023

Electron-emitting element

TOSHIBA KK1 citations63
US10991575B2Apr 27, 2021

Semiconductor device with partial regions having impunity concentrations selected to obtain a high threshold voltage

TOSHIBA KK1 citations63
US9391145B2Jul 12, 2016

Nitride semiconductor element and nitride semiconductor wafer

TOSHIBA KK2 citations63
US9287369B2Mar 15, 2016

Nitride semiconductor element and nitride semiconductor wafer

TOSHIBA KK2 citations63
US9112111B2Aug 18, 2015

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

TOSHIBA KK2 citations63
US9054036B2Jun 9, 2015

Nitride semiconductor device, nitride semiconductor wafer, and method for forming nitride semiconductor layer

TOSHIBA KK2 citations63
US8872158B2Oct 28, 2014

Semiconductor light emitting device

TOSHIBA KK3 citations63
US12501637B2Dec 16, 2025

Nitride semiconductor and semiconductor device

TOSHIBA KK0 citations62
US12191105B2Jan 7, 2025

Switch device

TOSHIBA KK0 citations62
US11476354B2Oct 18, 2022

Power generation element

TOSHIBA KK0 citations62
US11387069B2Jul 12, 2022

Electron-emitting electrode including multiple diamond members and magnetron including same

TOSHIBA KK0 citations62
US11276758B2Mar 15, 2022

Semiconductor device, inverter circuit, driving device, vehicle, and elevator having a reduced on-resistance with a silicon carbide layer

TOSHIBA KK1 citations62

KOKUSAI ELECTRIC CO LTD

4 patents

NIKON CORP

3 patents

PANASONIC IP MAN CO LTD

3 patents

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

2 patents

YAMAZAKI MAZAK CORP

2 patents

NEC CORP

2 patents

WARTSILA JAPAN LTD

2 patents

WAERTSILAE JAPAN LTD

1 patent

JAPAN MARINE TECHNOLOGIES LTD

1 patent

HITACHI LTD

1 patent

W & AMACR RTSIL & AMACR JAPAN LTD

1 patent

TOSHIBA LIGHTING & TECHNOLOGY

1 patent

SHIODA TOMONARI

1 patent

SUGIYAMA NAOHARU

1 patent

TACHIBANA KOICHI

1 patent

HITACHI DEVICE ENG

1 patent

HIKOSAKA TOSHIKI

1 patent

DIRECTOR GENERAL OF NATIONAL A

1 patent

HITACHI DISPLAYS LTD

1 patent

DIRECTOR GENERAL OF NAT AGRICU

1 patent

HAKUSAN SEISAKUSHO KK

1 patent

Showing the top 50 of 91 patents by PatentIndex Score.