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Inventor

Hiromasa Yamada

Inventor
Beppu, JP

Overview

4→
Patents
2002–2012
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

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

G08Bprimary
G08BSignalling systems, e.g. personal calling systems38%
H04NPictorial communication, e.g. television38%
G01SRadio direction-finding13%
G06TImage data processing or generation, in general13%
PatentTitleYear
8,223,275'Projector and correction method'20127,035,430'Intruding object detection method and intruding object monitor apparatus which automatically set a threshold for object detection'20066,546,115'Method of updating reference background image, method of detecting entering objects and system for detecting entering objects using the methods'20036,445,409'Method of distinguishing a moving object and apparatus of tracking and monitoring a moving object'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002–2003Patents assigned to HITACHI ELECTRONICS (2)· patent assignee history
2002–2003Based in Kodaira, JP· patent location history
2006Patents assigned to HITACHI INT ELECTRIC INC (1)· patent assignee history
2006–2012Based in Beppu, JP· patent location history
2012Patents assigned to AKAHANE HIROYUKI (1)· patent assignee history
2012Patents assigned to ARUGA TADANORI (1)· patent assignee history
2012Patents assigned to EHARA SHINJI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI ELECTRONICS22002–2003
AKAHANE HIROYUKI12012
ARUGA TADANORI12012
EHARA SHINJI12012
HITACHI INT ELECTRIC INC12006
Locations
LocationPatentsSpan
Beppu, JP22006–2012
Kodaira, JP22002–2003