Inventor

Masahiro Uda

Inventor

Tokyo, JP

Overview

1983–2021

Patent span

Chemistry

Primary field (CPC C)

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

B22Fprimary

B22FWorking metallic powder15%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry12%

B82YSpecific uses or applications of nanostructures12%

C01BNon-metallic elements12%

C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds12%

C01FCompounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals8%

C01GCompounds containing metals not covered by subclasses c01d or c01f8%

C04BLime, magnesia4%

F16KValves4%

H01JElectric discharge tubes or discharge lamps4%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1983–1989Patents assigned to NAT RES INST METALS (5)· patent assignee history

1983–1992Based in Tokyo, JP· patent location history

1992–1994Patents assigned to NISSHIN STEEL CO LTD (2)· patent assignee history

1994Based in Chiba, JP· patent location history

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

2021Based in Miyagi, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations