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Inventor

Masashi Kai

Inventor
Wako, JP

Overview

14→
Patents
1991–2019
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 14 as inventor

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

F02Bprimary
F02BInternal-combustion piston engines24%
F01PCooling of machines or engines in general11%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof9%
F16MFrames, casings or beds of engines, machines or apparatus, not specific to engines, machines or apparatus provided for elsewhere7%
F16FSprings4%
H02KDynamo-electric machines4%
H05KPrinted circuits4%
Y02TClimate change mitigation technologies related to transportation4%
B63HMarine propulsion or steering2%
F01MLubricating of machines or engines in general2%
PatentTitleYear
10,342,154Power supply apparatus201910,280,837Engine-driven working machine201910,260,456Engine-driven working machine201910,247,151Fuel-tank-equipped working machine201910,224,783Engine-driven working machine201910,122,245Engine-driven working machine201810,001,055Engine-driven working machine housed in outer case with vibration isolating support20189,017,122'Outboard motor'20158,985,069'Portable engine generator'20158,851,945'Outboard engine unit'20148,210,133'Engine-driven power generator apparatus'20128,178,985'Engine generator'20127,960,029'Optical filter for display, and display and plasma display panel provided with the optical filter'20114,986,290'Cleaning device for contact lens'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Based in Tokyo, JP· patent location history
2011Based in Kanagawa, JP· patent location history
2012–2019Patents assigned to HONDA MOTOR CO LTD (12)· patent assignee history
2012–2015Patents assigned to KAI MASASHI (3)· patent assignee history
2012Patents assigned to HIROSE TADAFUMI (2)· patent assignee history
2012Patents assigned to YUKI HITOSHI (2)· patent assignee history
2012–2019Based in Wako, JP· patent location history
2014Based in Saitama, JP· patent location history
2015Patents assigned to AIKAWA NAOKI (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HONDA MOTOR CO LTD122012–2019
KAI MASASHIself32012–2015
HIROSE TADAFUMI22012
YUKI HITOSHI22012
AIKAWA NAOKI12015
Locations
LocationPatentsSpan
Wako, JP112012–2019
Saitama, JP12014
Kanagawa, JP12011
Tokyo, JP11991