Inventor

Toshio Tsuno

Inventor

Tsukuba, JP

Overview

1991–2021

Patent span

Electricity

Primary field (CPC H)

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

H01Qprimary

H01QAntennas, i.e. radio aerials15%

H05KPrinted circuits15%

C23CCoating metallic material8%

G02BOptical elements, systems or apparatus8%

G06FElectric digital data processing8%

G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes8%

G11BInformation storage based on relative movement between record carrier and transducer8%

G16ZInformation and communication technology [ict] specially adapted for specific application fields, not otherwise provided for8%

H01JElectric discharge tubes or discharge lamps8%

H05HPlasma technique8%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1991–2003Patents assigned to NIPPON SHEET GLASS CO LTD (5)· patent assignee history

1991–1997Based in Tsukuba, JP· patent location history

2001–2003Patents assigned to NIPPON SHEET GLASS TECHNORES C (2)· patent assignee history

2001–2003Patents assigned to TAKENAKA CORP (2)· patent assignee history

2001–2003Based in Osaka, JP· patent location history

2003Patents assigned to HITACHI INT ELECTRIC INC (1)· patent assignee history

2021Patents assigned to HITACHI LTD (1)· patent assignee history

2021Based in Tokyo, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON SHEET GLASS CO LTD	5	1991–2003
NIPPON SHEET GLASS TECHNORES C	2	2001–2003
TAKENAKA CORP	2	2001–2003
HITACHI INT ELECTRIC INC	1	2003
HITACHI LTD	1	2021

Locations