LexDanaLexDanabeta
Inventor

Yuya Kojima

Inventor
Tokyo, JP

Overview

3→
Patents
2001–2021
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 general18%
F16CShafts18%
F16NLubricating18%
B63BShips or other waterborne vessels9%
F01DNon-positive displacement machines or engines, e.g. steam turbines9%
F02BInternal-combustion piston engines9%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants9%
F16HGearing9%
PatentTitleYear
11,125,384Bearing device and exhaust turbine turbocharger202111,066,983Lubricating device for bearing, and exhaust turbosupercharger20216,213,041'Speed sensor for personal watercraft'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001Patents assigned to YAMAHA MOTOR CO LTD (1)· patent assignee history
2001Based in Shizuoka, JP· patent location history
2021Patents assigned to MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD (2)· patent assignee history
2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD22021
YAMAHA MOTOR CO LTD12001
Locations
LocationPatentsSpan
Tokyo, JP22021
Shizuoka, JP12001