Inventor
Kunimune Kawamura
Inventor
Tokyo, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B27Bprimary
B27BSaws for wood or similar material28%
F02BInternal-combustion piston engines17%
B01DSeparation6%
B25FCombination or multi-purpose tools not otherwise provided for6%
F02DControlling combustion engines6%
F02FCylinders, pistons or casings, for combustion engines6%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof6%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges6%
F16CShafts6%
G05GControl devices or systems insofar as characterised by mechanical features only6%
PatentTitleYear
10,302,022Wire throttle adjustment device201910,174,782Structure for preventing falling of fastening nut of portable power working machine, and method for attaching fastening nut to cover20199,925,685'Chainsaw'20188,746,192'Two-stroke internal combustion engine and its scavenging method'20148,225,776'Power unit for portable chain saw'20127,857,881'Air cleaner for two-stroke internal combustion engine and method of tuning the length of air-fuel mixture passage by using the air cleaner'20107,322,114'Saw chain tensioning mechanism'20087,182,059'Oil pump mechanism for lubricating saw chain'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007–2008Patents assigned to KIORITZ CORP (2)· patent assignee history
2007–2012Based in Fuchu, JP· patent location history
2010–2019Patents assigned to YAMABIKO CORP (6)· patent assignee history
2010–2019Based in Tokyo, JP· patent location history
2012–2014Patents assigned to KAWAMURA KUNIMUNE (2)· patent assignee history
2012Patents assigned to NARA MASATO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| YAMABIKO CORP | 6 | 2010–2019 |
| KAWAMURA KUNIMUNEself | 2 | 2012–2014 |
| KIORITZ CORP | 2 | 2007–2008 |
| NARA MASATO | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 5 | 2010–2019 |
| Fuchu, JP | 3 | 2007–2012 |