Inventor

Mitsuru Yamazaki

Inventor

Ojiya, JP

Overview

1988–2020

Patent span

Electricity

Primary field (CPC H)

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

F16Cprimary

F16CShafts9%

F27BFurnaces, kilns, ovens or retorts in general9%

F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace9%

G03GElectrography9%

H01LSemiconductor devices9%

H10NElectric solid-state devices not otherwise provided for9%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h109%

Y10TTechnical subjects covered by former us classification9%

G01RMeasuring electric variables6%

B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling3%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1994–2010Patents assigned to NIPPON BEARING CO LTD (5)· patent assignee history

1994–2001Patents assigned to FUJITSU LTD (4)· patent assignee history

1994Patents assigned to DAIWA SEIKO INC (1)· patent assignee history

1994–2010Based in Ojiya, JP· patent location history

1994–1997Based in Kawasaki, JP· patent location history

1995–2000Patents assigned to MITSUBISHI ELECTRIC CORP (2)· patent assignee history

2000–2017Based in Tokyo, JP· patent location history

2017–2020Patents assigned to TOKYO ELECTRON LTD (4)· patent assignee history

2017–2019Based in Iwate, JP· patent location history

2020Based in Oshu, JP· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations