Inventor
Takaaki Hiroi
Inventor
Tokyo, JP
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Wprimary
H04WWireless communication networks29%
G01SRadio direction-finding19%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use14%
H05BElectric heating10%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications10%
F21KNon-electric light sources using luminescence5%
F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted5%
H04LTransmission of digital information, e.g. telegraphic communication5%
H05KPrinted circuits5%
PatentTitleYear
9,523,757'Broadcasting device, communication terminal, and broadcasting system'20169,432,802'Communication device and communication system'20169,426,775'Communication terminal, communication method, and recording medium storing communication terminal control program'20169,268,004'Broadcasting device, position management system, broadcasting method, and storage medium'20169,232,614'Light device and positional information management system'20169,173,188'Communication apparatus, position information management system, and position information management method'20159,173,246'Information management system, wireless terminal, and management method'20159,094,793'Transmission system, location management system, and method of transmitting location data'20157,839,636'Image processing apparatus, fan control method, and energy-saving control device'2010Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2010–2016Patents assigned to RICOH CO LTD (9)· patent assignee history
2010–2016Based in Tokyo, JP· patent location history
2015–2016Patents assigned to HIROI TAKAAKI (8)· patent assignee history
2015–2016Patents assigned to AOKI SHINJI (7)· patent assignee history
2015–2016Patents assigned to FUKUDA MICHITAKA (7)· patent assignee history
2015–2016Patents assigned to KAWASAKI SATOSHI (7)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RICOH CO LTD | 9 | 2010–2016 |
| HIROI TAKAAKIself | 8 | 2015–2016 |
| AOKI SHINJI | 7 | 2015–2016 |
| FUKUDA MICHITAKA | 7 | 2015–2016 |
| KAWASAKI SATOSHI | 7 | 2015–2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 9 | 2010–2016 |