Inventor
Tetsuya Saitoh
Inventor
Tokyo, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus25%
H01QAntennas, i.e. radio aerials17%
H04BTransmission17%
B82YSpecific uses or applications of nanostructures8%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds8%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties8%
C09DCoating compositions, e.g. paints, varnishes or lacquers8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
PatentTitleYear
8,709,147'Method for producing aqueous dispersion of surface-treated carbon black particles and aqueous dispersion of surface-treated carbon black particles'20146,360,089'Radio apparatus with diversity antennas'20026,055,422'Radio apparatus with diversity antennas'20006,034,636'Planar antenna achieving a wide frequency range and a radio apparatus used therewith'20006,011,964'Helical antenna for a portable radio apparatus'20005,742,717'Optical star coupler'19985,602,950'Optical star coupler'19975,568,580'Optical star-coupler'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–1998Patents assigned to FUJI ELECTRIC CO LTD (3)· patent assignee history
1996–2014Based in Tokyo, JP· patent location history
2000–2002Patents assigned to NEC CORP (4)· patent assignee history
2000–2002Based in Saitama, JP· patent location history
2014Patents assigned to KIRINO TOMOAKI (1)· patent assignee history
2014Patents assigned to SAITOH TETSUYA (1)· patent assignee history
2014Patents assigned to SEKIYAMA MAKOTO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| NEC CORP | 4 | 2000–2002 |
| FUJI ELECTRIC CO LTD | 3 | 1996–1998 |
| KIRINO TOMOAKI | 1 | 2014 |
| SAITOH TETSUYAself | 1 | 2014 |
| SEKIYAMA MAKOTO | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 4 | 1996–2014 |
| Saitama, JP | 4 | 2000–2002 |