Inventor
Naoto Ichihashi
Inventor
Ibaraki, JP
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F01Pprimary
F01PCooling of machines or engines in general20%
F02BInternal-combustion piston engines20%
F01NGas-flow silencers or exhaust apparatus for machines or engines in general10%
Y02TClimate change mitigation technologies related to transportation10%
F02FCylinders, pistons or casings, for combustion engines7%
F04BPositive-displacement machines for liquids7%
H02KDynamo-electric machines7%
A01DHarvesting3%
F02MSupplying combustion engines in general with combustible mixtures or constituents thereof3%
F04DNon-positive-displacement pumps3%
PatentTitleYear
10,895,840Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus202110,718,243Engine and engine-driven working machine202010,280,827Engine and engine-driven working machine201910,260,453Two-cycle engine and engine work machine20199,982,665Air compressor with improved cooling performance20189,359,937'Two-cycle engine and engine tool comprising the same'20169,249,715'Air cooled engine and engine-powered work tool'20169,140,175'Engine and engine-operated working machine'20159,010,284'Engine and engine power tool'20158,821,131'Air compressor'20148,800,505'Engine power tool'2014Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2014–2020Patents assigned to HITACHI KOKI KK (10)· patent assignee history
2014–2016Patents assigned to ICHIHASHI NAOTO (3)· patent assignee history
2014Patents assigned to KODATO SEIICHI (1)· patent assignee history
2014–2020Based in Ibaraki, JP· patent location history
2014–2016Based in Hitachinaka, JP· patent location history
2019–2020Patents assigned to KOKI HOLDINGS CO LTD (3)· patent assignee history
2021Patents assigned to CANON KK (1)· patent assignee history
2021Based in Kashiwa, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI KOKI KK | 10 | 2014–2020 |
| ICHIHASHI NAOTOself | 3 | 2014–2016 |
| KOKI HOLDINGS CO LTD | 3 | 2019–2020 |
| CANON KK | 1 | 2021 |
| KODATO SEIICHI | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ibaraki, JP | 6 | 2014–2020 |
| Hitachinaka, JP | 4 | 2014–2016 |
| Kashiwa, JP | 1 | 2021 |