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Inventor

Buhei Kobayashi

Inventor
Tokyo, JP

Overview

4→
Patents
2001–2018
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 4 as inventor

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

F02Bprimary
F02BInternal-combustion piston engines50%
B23DPlaning13%
B23QDetails, components, or accessories for machine tools, e.g. arrangements for copying or controlling13%
F02DControlling combustion engines13%
F02FCylinders, pistons or casings, for combustion engines13%
PatentTitleYear
9,885,279'Portable working machine'20188,967,100'Two-stroke internal combustion engine'20157,658,170'Two-cycle engine'20106,298,811'Stratified scavenging two-cycle engine'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001Patents assigned to KOMATSU ZENOA KK (1)· patent assignee history
2001Based in Sagamihara, JP· patent location history
2010Patents assigned to HUSQVARNA ZENOAH CO LTD (1)· patent assignee history
2010Based in Kawagoe, JP· patent location history
2015–2018Patents assigned to YAMABIKO CORP (2)· patent assignee history
2015Patents assigned to KOBAYASHI BUHEI (1)· patent assignee history
2015Patents assigned to OTSUJI TAKAMASA (1)· patent assignee history
2015Based in Kanagawa, JP· patent location history
2018Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
YAMABIKO CORP22015–2018
HUSQVARNA ZENOAH CO LTD12010
KOBAYASHI BUHEIself12015
KOMATSU ZENOA KK12001
OTSUJI TAKAMASA12015
Locations
LocationPatentsSpan
Tokyo, JP12018
Kanagawa, JP12015
Kawagoe, JP12010
Sagamihara, JP12001