Inventor
Kazuhiro Hayakawa
Inventor
Kawasaki, JP
Overview
Patents· 30 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B41Jprimary
B41JTypewriters37%
G02BOptical elements, systems or apparatus10%
Y10TTechnical subjects covered by former us classification10%
G03GElectrography6%
H04LTransmission of digital information, e.g. telegraphic communication6%
B60QArrangement of signalling or lighting devices, the mounting or supporting thereof or circuits therefor, for vehicles in general4%
B29CShaping or joining of plastics2%
B29DProducing particular articles from plastics or from substances in a plastic state2%
B29LIndexing scheme associated with subclass b29c, relating to particular articles2%
F21SNon-portable lighting devices2%
PatentTitleYear
11,051,110Sound generator202110,451,869Light deflector and polygon mirror20199,939,566Polygon mirror, image forming apparatus, and method for manufacturing a polygon mirror20189,859,810'Power converter'20189,851,558Light deflector20179,778,457'Light deflector and polygon mirror'20179,594,196'Light deflector and image forming apparatus'20179,415,719'Headlight control device'20168,980,110'Method of manufacturing liquid ejection head and method of processing substrate'20158,562,845'Ink jet print head and method of manufacturing ink jet print head'20138,238,325'Packet communication network and packet communication method'20128,219,428'System and method for determining a franchisee commitment fee based on a determined cost standard'20128,206,998'Method for manufacturing liquid discharge head'20128,205,967'Liquid ejection head and manufacturing method thereof'20128,141,987'Ink jet recording head, manufacturing method thereof, and electron device'20128,012,773'Method for manufacturing liquid discharge head'20117,998,555'Beam, ink jet recording head having beams, and method for manufacturing ink jet recording head having beams'20117,934,810'Ink jet recording head including beams dividing supply ports'20117,926,909'Ink-jet recording head, method for manufacturing ink-jet recording head, and semiconductor device'20117,848,231'Packet communication network and packet communication method'20107,833,608'Beam, ink jet recording head having beams, and method for manufacturing ink jet recording head having beams'20107,753,495'Ink jet recording head, manufacturing method therefor, and substrate for ink jet recording head manufacture'20107,637,013'Method of manufacturing ink jet recording head'20097,517,058'Ink jet recording head having structural members in ink supply port'20097,517,059'Liquid jet head and method for producing the same'20097,452,474'Method of manufacturing substrate for ink jet recording head and method of manufacturing recording head using substrate manufactured by this method'20087,323,115'Substrate processing method and ink jet recording head substrate manufacturing method'20087,275,813'Beam, ink jet recording head having beams, and method for manufacturing ink jet recording head having beams'20077,063,799'Ink jet recording head, manufacturing method therefor, and substrate for ink jet recording head manufacture'20066,205,156'Method and device for data transmission and reception using transmission pause state as reception timing'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2012Patents assigned to NIPPON TELEGRAPH & TELEPHONE (3)· patent assignee history
2001–2018Based in Kanagawa, JP· patent location history
2006–2015Patents assigned to CANON KK (18)· patent assignee history
2006–2011Based in Isehara, JP· patent location history
2009–2013Based in Kawasaki, JP· patent location history
2012–2013Patents assigned to HAYAKAWA KAZUHIRO (6)· patent assignee history
2012Patents assigned to UYAMA MASAYA (2)· patent assignee history
2017–2019Patents assigned to BROTHER IND LTD (5)· patent assignee history
2017–2019Based in Nagoya, JP· patent location history
2021Based in Anjo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CANON KK | 18 | 2006–2015 |
| HAYAKAWA KAZUHIROself | 6 | 2012–2013 |
| BROTHER IND LTD | 5 | 2017–2019 |
| NIPPON TELEGRAPH & TELEPHONE | 3 | 2001–2012 |
| UYAMA MASAYA | 2 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kawasaki, JP | 9 | 2009–2013 |
| Kanagawa, JP | 7 | 2001–2018 |
| Nagoya, JP | 5 | 2017–2019 |
| Isehara, JP | 5 | 2006–2011 |
| Anjo, JP | 1 | 2021 |