Inventor
Mikio Yoneyama
Inventor
Tokyo, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission26%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein22%
H04LTransmission of digital information, e.g. telegraphic communication13%
B22FWorking metallic powder4%
B23KSoldering or unsoldering4%
B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering4%
B61HBrakes or other retarding devices specially adapted for rail vehicles4%
F16DCouplings for transmitting rotation4%
H03FAmplifiers4%
H03GControl of amplification4%
PatentTitleYear
10,260,585Brake disc and manufacturing method thereof201910,243,664Optical modulator driver circuit and optical transmitter201910,090,921Light modulation device and light modulation method20189,122,084'Phase modulation apparatus'20158,005,374'Optical transmission system, optical transmitter for optical transmission system, and optical receiver for optical transmission system'20117,995,930'Optical receiver using Mach-Zehnder interferometer'20117,734,194'Optical transmission system, optical transmitter for optical transmission system, and optical receiver for optical transmission system'20106,934,308'Precoding circuit and precoding-mulitplexing circuit for realizing very high transmission rate in optical fiber communication'2005Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2005–2019Patents assigned to NIPPON TELEGRAPH & TELEPHONE (7)· patent assignee history
2005Based in Isehara, JP· patent location history
2010–2019Based in Tokyo, JP· patent location history
2011–2018Patents assigned to NTT ELECTRONICS CORP (3)· patent assignee history
2015Based in Musashino, JP· patent location history
2018Based in Yokosuka, JP· patent location history
2019Patents assigned to NIPPON STEEL & SUMITOMO METAL CORP (1)· patent assignee history
2019Patents assigned to RAILWAY TECHNICAL RES INST (1)· patent assignee history
2019Based in Osaka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NIPPON TELEGRAPH & TELEPHONE | 7 | 2005–2019 |
| NTT ELECTRONICS CORP | 3 | 2011–2018 |
| NIPPON STEEL & SUMITOMO METAL CORP | 1 | 2019 |
| RAILWAY TECHNICAL RES INST | 1 | 2019 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 4 | 2010–2019 |
| Osaka, JP | 1 | 2019 |
| Yokosuka, JP | 1 | 2018 |
| Musashino, JP | 1 | 2015 |
| Isehara, JP | 1 | 2005 |