LexDanaLexDanabeta
Inventor

Tomohiko Nakanishi

Inventor
Zama, JP

Overview

3→
Patents
1994–2021
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 3 as inventor

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

F01Mprimary
F01MLubricating of machines or engines in general29%
F16KValves29%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof14%
H01JElectric discharge tubes or discharge lamps14%
Y02TClimate change mitigation technologies related to transportation14%
PatentTitleYear
11,131,223Recirculation valve202111,053,822Recirculation valve20215,315,127'Semiconductor device for emitting highly spin-polarized electron beam'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994Patents assigned to DAIDO STEEL CO LTD (1)· patent assignee history
1994Based in Nagoya, JP· patent location history
2021Patents assigned to NIDEC TOSOK CORP (2)· patent assignee history
2021Based in Zama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIDEC TOSOK CORP22021
DAIDO STEEL CO LTD11994
Locations
LocationPatentsSpan
Zama, JP22021
Nagoya, JP11994