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Ritsuo Machii patents

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


Ritsuo Machii - Related organizations: Canon Kabushiki Kaisha patents

Coordinate input apparatus, housing unit, control method thereof, and computer-readable storage medium

02/06/14 - 20140034807 - The sensor unit of each of a first bar housing unit and second bar housing unit is moved. The moving amount is measured and stored. The distribution of a light amount received by the light receiving unit of the sensor unit of each of the first bar housing unit and
Inventors: Ritsuo Machii, Katsuyuki Kobayashi

Coordinate input apparatus

10/03/13 - 20130257814 - A coordinate input apparatus includes a first housing and a second housing each of which incorporate at least two sensor units each including one of the light projecting unit and one of the light receiving unit. A pointed position to an effective coordinate input region is calculated based on variations
Inventors: Katsuyuki Kobayashi, Hirokuni Takano, Yuichiro Yoshimura, Hajime Sato, Ritsuo Machii, Takuto Kawahara, Takayuki Hashimoto, Takayuki Komine, Akihiro Matsushita, Naoki Umemura

Coordinate input apparatus

09/12/13 - 20130234955 - A coordinate input apparatus includes a light projecting unit configured to project light parallelly to an effective coordinate input region, a reflection unit configured to retroreflect the light projected by the light projecting unit, and a light receiving unit configured to receive light from the light projecting unit or the
Inventors: Hirokuni Takano, Yuichiro Yoshimura, Katsuyuki Kobayashi, Ritsuo Machii, Takuto Kawahara, Takayuki Hashimoto, Naoki Umemura, Hajime Sato, Takayuki Komine, Akihiro Matsushita

Coordinate input apparatus

12/15/11 - 20110304535 - According to one aspect of the invention, a coordinate input apparatus for calculating a position of an object positioned on an input area comprises: a light projecting unit; retroreflecting members arranged along two opposite sides of a rectangular area including the input area, and having a reflecting surface which reflects
Inventors: Ritsuo Machii

Speaker apparatus

11/25/10 - 20100296686 - A speaker apparatus includes a speaker unit arranged to output sound to the exterior of the speaker apparatus via an opening; an enclosure containing the speaker unit; and a protection units, supported by the enclosure, for protecting the speaker unit, wherein the protection units includes a protection member for at
Inventors: Ritsuo Machii, Masahiro Ando


### Ritsuo Machii patent invention listings

The bibliographic references displayed about Ritsuo Machii's patents are for a recent sample of Ritsuo Machii'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 Ritsuo Machii 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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