LexDanaLexDanabeta
Inventor

Yoshio Yoshiwara

Inventor
Mobara, JP

Overview

4→
Patents
1994–2009
Patent span
Electricity
Primary field (CPC H)

Patents· 4 as inventor

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

H01Jprimary
H01JElectric discharge tubes or discharge lamps57%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light29%
H04NPictorial communication, e.g. television14%
PatentTitleYear
7,639,277'Method for evaluating color picture tubes and device for the same and method for making color picture tubes'20095,701,061'Cathode-ray tube apparatus and yoke'19975,475,287'Cathode-ray tube apparatus and yoke'19955,317,239'Deflection yoke for cathode ray tube'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2009Patents assigned to HITACHI LTD (4)· patent assignee history
1994–1995Patents assigned to HITACHI MIZUSAWA ELECTRONICS (2)· patent assignee history
1994Based in Chiba, JP· patent location history
1995–2009Based in Mobara, JP· patent location history
1997Patents assigned to HITACHI MIZUSAWA (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI LTD41994–2009
HITACHI MIZUSAWA ELECTRONICS21994–1995
HITACHI MIZUSAWA11997
Locations
LocationPatentsSpan
Mobara, JP31995–2009
Chiba, JP11994