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Inventor

Hiroshi Yaguma

Inventor
Kyoto, JP

Overview

9→
Patents
2008–2015
Patent span
Physics
Primary field (CPC G)

Patents· 9 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G09Gprimary
G09GArrangements or circuits for control of indicating devices using static means to present variable information75%
H04MTelephonic communication8%
H05BElectric heating8%
H10KOrganic electric solid-state devices8%
PatentTitleYear
8,970,460'Liquid crystal driving apparatus'20158,368,679'Power supply apparatus, liquid crystal driving apparatus and display apparatus'20137,615,932'Reference current generating circuit, organic EL drive circuit and organic EL display device employing it'20097,586,469'Organic EL drive circuit and organic EL display device using the same organic EL drive circuit'20097,580,013'Organic EL drive circuit IC'20097,570,234'Organic EL drive circuit and organic EL display device using the same organic EL drive circuit'20097,515,124'Organic EL drive circuit and organic EL display device using the same organic EL drive circuit'20097,372,439'Reference current generator circuit of organic EL drive circuit, organic EL drive circuit and organic EL display device'20087,321,347'Organic EL element drive circuit and organic EL display device using the same drive circuit'2008

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008–2015Patents assigned to ROHM CO LTD (9)· patent assignee history
2008–2015Based in Kyoto, JP· patent location history
2013–2015Patents assigned to YAGUMA HIROSHI (2)· patent assignee history
2015Patents assigned to ITOU SUKENORI (1)· patent assignee history
2015Patents assigned to KUMAGAI MOTOYA (1)· patent assignee history
2015Patents assigned to NAGAI TAKASHI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ROHM CO LTD92008–2015
YAGUMA HIROSHIself22013–2015
ITOU SUKENORI12015
KUMAGAI MOTOYA12015
NAGAI TAKASHI12015
Locations
LocationPatentsSpan
Kyoto, JP92008–2015