Inventor
Takafumi Hamano
Inventor
Fukuoka, JP
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H10Kprimary
H10KOrganic electric solid-state devices19%
B41JTypewriters15%
H04JMultiplex communication15%
H04BTransmission12%
H04LTransmission of digital information, e.g. telegraphic communication12%
G03GElectrography8%
H01LSemiconductor devices4%
H04NPictorial communication, e.g. television4%
H05BElectric heating4%
H10NElectric solid-state devices not otherwise provided for4%
PatentTitleYear
10,250,348Optical transport system and resource optimization method201910,230,457Framer and framing method201910,181,921Framer and framing method201910,063,321Framer, optical transmission device, and framing method20189,738,072'Actuator, ink-jet head, and ink-jet device'20179,565,064'Frame transmission apparatus and method for checking normality'20177,504,616'Exposure device and image forming apparatus using the same'20097,463,275'Light source for image writing apparatus and production method for light source'20087,158,161'Organic electroluminescence element and an exposure unit and image-forming apparatus both using the element'20077,116,345'Image forming apparatus having a cooler for an organic electroluminescence element'20066,833,667'Organic electroluminescence element and image forming apparatus or portable terminal unit using thereof'20046,791,260'Organic electroluminescent element, panel and apparatus using the same'20046,660,409'Electronic device and process for producing the same'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003Patents assigned to NAKASHIMA HIROSHI (1)· patent assignee history
2003–2017Based in Fukuoka, JP· patent location history
2004–2007Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (4)· patent assignee history
2004Based in Nakagawa, JP· patent location history
2008–2009Patents assigned to PANASONIC CORP (2)· patent assignee history
2008Based in Chikushi-gun, JP· patent location history
2017–2019Patents assigned to NIPPON TELEGRAPH & TELEPHONE (5)· patent assignee history
2017Patents assigned to FUJITSU LTD (1)· patent assignee history
2017Based in Musashino, JP· patent location history
2018–2019Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON TELEGRAPH & TELEPHONE | 5 | 2017–2019 |
| MATSUSHITA ELECTRIC INDUSTRIAL CO LTD | 4 | 2004–2007 |
| PANASONIC CORP | 2 | 2008–2009 |
| FUJITSU LTD | 1 | 2017 |
| NAKASHIMA HIROSHI | 1 | 2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fukuoka, JP | 5 | 2003–2017 |
| Tokyo, JP | 4 | 2018–2019 |
| Musashino, JP | 1 | 2017 |
| Chikushi-gun, JP | 1 | 2008 |
| Nakagawa, JP | 1 | 2004 |