Inventor
Koji Kikushima
Inventor
Ichikawa, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission42%
H04JMultiplex communication25%
H04NPictorial communication, e.g. television17%
H03CModulation8%
H04HBroadcast communication8%
PatentTitleYear
7,865,085'Optical transmitting device, optical transmission system, optical transmitting method and optical transmission method'20117,444,084'Optical signal receiver, optical signal receiving equipment, and optical signal transmitting system'20087,391,978'Optical signal transmitter and optical signal transmission system'20087,248,803'Wavelength multiplex transmission systems'20075,973,820'FM modulation device'19995,923,458'Frequency modulator'19995,896,216'AM/PM converter and optical signal transmission system'1999Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1999–2011Patents assigned to NIPPON TELEGRAPH & TELEPHONE (7)· patent assignee history
1999Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (2)· patent assignee history
1999–2008Based in Ichikawa, JP· patent location history
1999Based in Yokosuka, JP· patent location history
2011Based in Chiba, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON TELEGRAPH & TELEPHONE | 7 | 1999–2011 |
| MATSUSHITA ELECTRIC INDUSTRIAL CO LTD | 2 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ichikawa, JP | 5 | 1999–2008 |
| Chiba, JP | 1 | 2011 |
| Yokosuka, JP | 1 | 1999 |