Inventor
Naoya Sakurai
Inventor
Tokyo, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission33%
F01PCooling of machines or engines in general17%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges17%
H04JMultiplex communication17%
H04NPictorial communication, e.g. television17%
PatentTitleYear
10,323,675Device with adjustment bolt20199,771,854'Engine water-cooling device'20177,583,896'Optical-wireless hybrid transmission system and optical-wireless hybrid transmission method'20097,236,708'Optical communication system with optical output level control function'20075,896,216'AM/PM converter and optical signal transmission system'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2009Patents assigned to NIPPON TELEGRAPH & TELEPHONE (3)· patent assignee history
1999–2009Based in Tokyo, JP· patent location history
2017–2019Patents assigned to KUBOTA KK (2)· patent assignee history
2017–2019Based in Sakai, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON TELEGRAPH & TELEPHONE | 3 | 1999–2009 |
| KUBOTA KK | 2 | 2017–2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 3 | 1999–2009 |
| Sakai, JP | 2 | 2017–2019 |