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Yoshihisa Takayama patents

Recent patents with Yoshihisa Takayama listed as an inventor - additional entries may be under other spellings.


Yoshihisa Takayama - Related organizations: Sony Corporation patents

Communication system, communication apparatus and communication method

10/29/15 - 20150311958 - A method for a communication device includes determining whether a first radio frequency (RF) signal at a level of at least a first predetermined field threshold is detected. The method also includes generating a second RF signal at a level of at least a second predetermined field threshold greater than
Inventors: Kunihide Fujii, Tadashi Morita, Shigeru Arisawa, Yoshihisa Takayama

Communication system, communication apparatus and communication method

11/06/14 - 20140329463 - A method for a communication device includes determining whether a first radio frequency (RF) signal at a level of at least a first predetermined field threshold is detected. The method also includes generating a second RF signal at a level of at least a second predetermined field threshold greater than
Inventors: Kunihide Fujii, Tadashi Morita, Shigeru Arisawa, Yoshihisa Takayama

Coherent optical receiver

03/05/09 - 20090060511 - A coherent optical receiver includes a 90-degree optical hybrid circuit to which a received signal light is input, I-channel and Q-channel photo detectors to which the outputs of the hybrid circuit are input, a clock extraction circuit which reproduces a clock whose speed is the same as a demodulated signal
Inventors: Morio Toyoshima, Nozomu Nishinaga, Yoshihisa Takayama, Hiroo Kunimori


### Yoshihisa Takayama patent invention listings

The bibliographic references displayed about Yoshihisa Takayama's patents are for a recent sample of Yoshihisa Takayama's publicly published patent applications. The inventor/author may have additional bibliographic citations listed at the USPTO.gov. FreshPatents.com is not associated or affiliated in any way with the author/inventor or the United States Patent/Trademark Office but is providing this non-comprehensive sample listing for educational and research purposes using public bibliographic data published and disseminated from the United States Patent/Trademark Office public datafeed. This information is also available for free on the USPTO.gov website. If Yoshihisa Takayama filed recent patent applications under another name, spelling or location then those applications could be listed on an alternate page. If no bibliographic references are listed here, it is possible there are no recent filings or there is a technical issue with the listing--in that case, we recommend doing a search on the USPTO.gov website.

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