Inventor

Junichi Iwasawa

Inventor

Fukuoka, JP

Overview

1981–2021

Patent span

Chemistry

Primary field (CPC C)

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

C23Cprimary

C23CCoating metallic material15%

C04BLime, magnesia10%

H01JElectric discharge tubes or discharge lamps8%

H01LSemiconductor devices8%

H04NPictorial communication, e.g. television8%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h108%

C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals5%

C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds5%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h105%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution5%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1981Patents assigned to DENKI ONKYO CO LTD (1)· patent assignee history

1981Based in Yokohama, JP· patent location history

1993–1996Patents assigned to SONY CORP (3)· patent assignee history

1993–1996Based in Kanagawa, JP· patent location history

1995–1996Patents assigned to ASAHI RESEARCH CORP (2)· patent assignee history

2011–2021Patents assigned to TOTO LTD (6)· patent assignee history

2011–2019Based in Fukuoka, JP· patent location history

2012Patents assigned to HATONO HIRONORI (1)· patent assignee history

2020–2021Based in Kitakyushu, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations