Inventor
Kazuhiro Iwashita
Inventor
Hamamatsu, JP
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television25%
F16JPistons13%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes13%
G07FCoin-freed or like apparatus13%
H04LTransmission of digital information, e.g. telegraphic communication13%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers13%
H04SStereophonic systems13%
PatentTitleYear
10,390,138Audio system, audio apparatus, and control method for audio apparatus20199,784,372'Sealing device'20177,542,654'Video playback control apparatus, content playback control apparatus, and method of supplying commercial information'20094,928,168'Billing data display system and terminal used therein for a closed circuit television system'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–2017Based in Tokyo, JP· patent location history
2009–2019Patents assigned to YAMAHA CORP (2)· patent assignee history
2009–2019Based in Hamamatsu, JP· patent location history
2017Patents assigned to EAGLE IND CO LTD (1)· patent assignee history
2017Patents assigned to IGUCHI TETSUYA (1)· patent assignee history
2017Patents assigned to IWASHITA KAZUHIRO (1)· patent assignee history
2017Patents assigned to KUROKI YASUHIRO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| YAMAHA CORP | 2 | 2009–2019 |
| EAGLE IND CO LTD | 1 | 2017 |
| IGUCHI TETSUYA | 1 | 2017 |
| IWASHITA KAZUHIROself | 1 | 2017 |
| KUROKI YASUHIRO | 1 | 2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hamamatsu, JP | 2 | 2009–2019 |
| Tokyo, JP | 2 | 1990–2017 |