Masao Nakagawa, Toshihiko Komine, Shinichiro Haruyama, Takaaki Ishigure, Yasuhiro Koike, Shogo Kitano, Yasuo Sugawara: Illuminative light communication device. Nakagawa Laboratories, Rader Fishman & Grauer PLLC, September 1, 2009: US07583901 (199 worldwide citation)

The present invention has been developed considering the above-described problems and aims to provide various structures and applications for illuminative light communication. According to the first aspect of the prevent invention, a broadcast system includes an LED light source 115 for lighting, a ...

Masao Nakagawa, Atsumi Koyama, Satoru Oonaka, Masanori Abe, Masashi Oguchi, Masashi Mori: Simultaneous broadcasting system, transmitter and receiver therefor. Mitsubishi Denki Kabushiki Kaisha, Burns Doane Swecker & Mathis, July 3, 2001: US06256508 (113 worldwide citation)

A simultaneous broadcasting system, a transmitter, and a receiver therefor use a first frequency bandwidth for a wide area broadcasting and a second frequency bandwidth for a local area broadcasting obtained by dividing a frequency bandwidth of one broadcasting channel. In the simultaneous broadcast ...

Kenichi Senda, Tatehiko Nishida, Masao Nakagawa: Expandable thermoplastic polymer beads with method of producing same. Kanegafuchi Kagaku Kogyo Kabushiki Kaisha, Moonray Kojima, February 21, 1984: US04433029 (35 worldwide citation)

Expandable thermoplastic polymer beads and method of producing same, wherein a core of a polymer of one or more vinyl monomers is substantially surrounded by a layer of a polyolefin comprising one or more vinyl monomers, with a foaming agent contained in at least the core.

Teruo Kabeuchi, Masaya Hattori, Takashi Togawa, Yukishige Yamada, Shigeaki Okuyama, Masao Nakagawa, Siro Sugiyama, Katsuhiko Mukuno, Kazunori Tsujimoto: Propelling apparatus for underground propelling construction work. Kubota Corporation, Webb Ziesenheim Bruening Logsdon Orkin & Hanson P C, May 18, 1999: US05904444 (24 worldwide citation)

A propelling apparatus includes a plurality of propellant cylinders series-connected to each other to be propelled by receiving a pushing force from behind, joints for series-connecting the propellant cylinders, a propellant head connected to a forward-most end of the propellant cylinders to be pres ...

Masao Nakagawa: Pneumatic tires. Bridgestone Corporation, Sughrue Mion Zinn Macpeak & Seas, December 20, 1994: US05373882 (23 worldwide citation)

A pneumatic tire has a specified running direction, and comprises a pair of sidewalls, a tread provided with at least one circumferential groove extending in parallel to an equatorial plane of the tire, a plurality of lug grooves intersecting this at least one circumferential groove, and land portio ...

Masao Nakagawa: Structure of a running system in a work vehicle. Kubota, Kane Dalsimer Kane Sullivan and Kurucz, May 10, 1983: US04382604 (19 worldwide citation)

A structure for a running system, in a work vehicle, has right and left running wheels, hydraulic cylinders extensible and retractable in opposition to each other in response to axle-tilting displacement of the wheels as they rise and lower in turn in opposition to each other, a conduit connecting t ...

Hiroji Isukamoto, Hisashi Morikawa, Masao Nakagawa, Shinji Kato, Masaki Miyamoto, Toichiro Yoda, Katsuhiko Yoshihara: Process for preparing foamable synthetic resin granules. Kanegafuchi Kagaku Kogyo Kabushiki Kaisha, Moonray Kojima, June 1, 1976: US03960787 (13 worldwide citation)

In a process for preparing foamable synthetic resin granules by suspension polymerization, a fatty acid bisamide is added prior to or at an early stage of polymerization in the presence of an inorganic salt and a foaming agent is added at a later stage of polymerization or after completion thereof.

Hideki Yokoyama, Tatsuro Shimada, Masao Nakagawa: Pneumatic radial tire having an excellent steering stability. Bridgestone Tire Company, Sughrue Mion Zinn Macpeak & Seas, August 30, 1988: US04766940 (12 worldwide citation)

A radial tire for passenger cars comprising a rubber filler interposed between a turn-up portion of a carcass ply wound around a bead ring from the inside toward the outside thereof and the carcass ply and having a dynamic modulus of elasticity of at least 300 kg/cm.sup.2 and comprising an additiona ...

Masayuki Nashiki, Tetsuya Matsushita, Shigeharu Watanabe, Masao Nakagawa: Measuring apparatus and method for correcting errors in a machine. Okuma Corporation, Burr & Brown, August 10, 2004: US06772619 (12 worldwide citation)

To provide a measuring apparatus of positions and postures of a machine for correcting positions and postures of an end effecter by means of an actuator, and an error correcting method for correcting errors thereof. At least three universal joint fixing members

Masao Nakagawa, Hiroyuki Yabuki: Method and system for radio communication. Matsushita Electric Industrial, Lowe Price LeBlanc & Becker, February 22, 1994: US05289496 (12 worldwide citation)

In a frequency hopped radio communication system wherein a control signal and a speech signal are transmitted together and the speech signal is transmitted via a predetermined set of frequency bands, method and apparatus are provided for converting the control signal into a corresponding RF control ...