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Inventor

Keigo Usui

Inventor
Saitama, JP

Overview

2→
Patents
2011–2015
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 2 as inventor

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

F01Cprimary
F01CRotary-piston or oscillating-piston machines or engines33%
F04BPositive-displacement machines for liquids33%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids33%
PatentTitleYear
9,115,583'Compressor'20157,972,118'Variable capacity compressor'2011

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2011–2015Patents assigned to CALSONIC KANSEI CORP (2)· patent assignee history
2011Based in Gunma, JP· patent location history
2015Patents assigned to TANAKA KIYOTAKA (1)· patent assignee history
2015Patents assigned to USUI KEIGO (1)· patent assignee history
2015Based in Saitama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CALSONIC KANSEI CORP22011–2015
TANAKA KIYOTAKA12015
USUI KEIGOself12015
Locations
LocationPatentsSpan
Saitama, JP12015
Gunma, JP12011