Inventor
Kazuhiro Yoneyama
Inventor
Tokyo, JP
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B25Fprimary
B25FCombination or multi-purpose tools not otherwise provided for20%
B27BSaws for wood or similar material20%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof13%
F01PCooling of machines or engines in general7%
F02BInternal-combustion piston engines7%
F02DControlling combustion engines7%
F02FCylinders, pistons or casings, for combustion engines7%
F02PIgnition, other than compression ignition, for internal-combustion engines7%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges7%
Y02TClimate change mitigation technologies related to transportation7%
PatentTitleYear
10,197,013Suction tube of stratified scavenging engine20199,393,712'Structure for preventing falling of fastening nut of portable power work machine, and fastening nut anchor member'20168,832,947'Top-handle working machine'20148,707,568'Top-handle working machine'20148,469,001'Work apparatus with internal combustion engine'20137,699,902'Refuse-trapping cover for use in portable working machine'2010Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2010–2019Patents assigned to YAMABIKO CORP (6)· patent assignee history
2010–2019Based in Tokyo, JP· patent location history
2013–2014Patents assigned to YONEYAMA KAZUHIRO (2)· patent assignee history
2013Patents assigned to IWATA MASAO (1)· patent assignee history
2013Patents assigned to KAWAHARA NAOTO (1)· patent assignee history
2014Patents assigned to OSAWA HISATO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| YAMABIKO CORP | 6 | 2010–2019 |
| YONEYAMA KAZUHIROself | 2 | 2013–2014 |
| IWATA MASAO | 1 | 2013 |
| KAWAHARA NAOTO | 1 | 2013 |
| OSAWA HISATO | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 6 | 2010–2019 |