Inventor
Mitsuo Kitamura
Inventor
Kawasaki, JP
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission54%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light15%
G02BOptical elements, systems or apparatus8%
H03KPulse technique8%
H04JMultiplex communication8%
H04LTransmission of digital information, e.g. telegraphic communication8%
PatentTitleYear
8,076,966'Analog switch circuit for wide frequency band'20116,310,708'Supervisory signal transmitter and method'20016,266,466'Optical amplifier and optical transmission system'20015,859,938'Optical amplifier and optical transmission system'19995,737,105'Optical repeater'19985,293,260'Optical repeater off-state supervisory method and device therefor'19945,130,837'Optical repeater haivng means for preventing malfunction due to the presence of noise'19925,097,353'Optical repeater having phase inversion circuit'19925,088,106'Phase shift circuit and repeater using the same'19924,871,121'Method and tank for storing a submarine optical cable'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–2001Patents assigned to FUJITSU LTD (9)· patent assignee history
1989–2001Based in Kawasaki, JP· patent location history
1999–2001Based in Kanagawa, JP· patent location history
2011Patents assigned to FUJITSU SEMICONDUCTOR LTD (1)· patent assignee history
2011Patents assigned to HOSODA MINORU (1)· patent assignee history
2011Patents assigned to KITAMURA MITSUO (1)· patent assignee history
2011Based in Yokohama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJITSU LTD | 9 | 1989–2001 |
| FUJITSU SEMICONDUCTOR LTD | 1 | 2011 |
| HOSODA MINORU | 1 | 2011 |
| KITAMURA MITSUOself | 1 | 2011 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kawasaki, JP | 7 | 1989–2001 |
| Kanagawa, JP | 2 | 1999–2001 |
| Yokohama, JP | 1 | 2011 |