1
Mitsuru Muramoto, Naoki Onishi, Hirotaka Saito, Kanemi Sasaki: Polarization diversity antenna system for cellular telephone. Kokusai Electric, Pillsbury Winthrop, December 4, 2001: US06326924 (22 worldwide citation)

Radio communication systems, e.g. cellular telephones, have employed a space diversity antenna system which includes a plurality of antennas. In the space diversity antenna system for use in the cellular telephone, since two antennas are positioned adjoining each other, the space diversity effect ca ...


2
Naoki Onishi, Shigeru Ido, Yoshinobu Murakami, Minoru Yamamoto: Discharge lamp operation apparatus. Matsushita Electric Works, Greenblum & Bernstein, November 8, 2005: US06963176 (18 worldwide citation)

A discharge lamp operation apparatus includes an AC power supply (10), a voltage converting circuit (11), an inverter circuit (13), a load circuit (15), a controller (1), and a pulse voltage superimposing section (3). The pulse voltage superimposing section (3) controls the switching elements (Q3, Q ...


3
Minoru Maehara, Masanori Mishima, Naoki Onishi, Yoshinobu Murakami: Power source device. Matsushita Electric Works, Burns Doane Swecker & Mathis L, June 13, 2000: US06075715 (14 worldwide citation)

A power source device is so constituted that a first capacitor connected across DC output terminals of a rectifier is made to be of a relatively small capacity, a resonance circuit is formed by a primary winding of a transformer and a second capacitor, first and second switching elements connected i ...


4
Naoki Onishi: Four wheel drive working vehicle. Kubota Corporation, Gifford Groh Sprinkle Patmore and Anderson, March 15, 1994: US05293956 (9 worldwide citation)

A four wheel drive working vehicle having a front wheel transmission switchable between a standard position for driving front wheels at substantially the same speed as rear wheels, and an accelerating position for driving the front wheels at a higher speed than the rear wheels; right and left side b ...


5
Shigeru Ido, Naoki Onishi, Takashi Kanda: Electronic ballast for a discharge lamp. Matsushita Electric Works, Rader Fishman & Grauer PLLC, October 11, 2005: US06954038 (6 worldwide citation)

An electronic ballast for a discharge lamps has a dimming control for varying an input DC voltage and an input driving frequency in combination to achieve a lamp dimming in accordance with a dimmer demand. The ballast includes a dimming processor with a memory for storing a table that gives a predet ...


6
Naoki Onishi, Tsuyoshi Shiobara: Sensing device. Nihon Dempa Kogyo, Jordan and Hamburg, July 7, 2009: US07555952 (3 worldwide citation)

The present invention prevents instability of frequency measurement caused by spatial connection between quartz sensors adjacent to each other when a plurality of quartz sensors, including a quartz resonator which varies a national frequency due to adsorption of an object, are to be detected. A comm ...


7
Hiroki Kimura, Tsukasa Kobata, Yasuo Kitayama, Naoki Onishi: PLL oscillation circuit. Nihon Dempa Kogyo, Jacobson Holman PLLC, February 2, 2010: US07656208 (3 worldwide citation)

A digitally controlled PLL oscillation circuit has a VCO, a frequency divider, a reference oscillation circuit, an A/D converter, a phase comparator, a digital filter, a D/A converter, and an analog filter. A reference signal supplied from the reference oscillation circuit is output through a narrow ...


8
Yasuo Kitayama, Hiroki Kimura, Naoki Onishi, Nobuo Tsukamoto: VCO driving circuit and frequency synthesizer. Nihon Dempa Kogyo, Jacobson Holman PLLC, October 26, 2010: US07821344 (3 worldwide citation)

A VCO driving circuit and a frequency synthesizer wherein the impedance viewed from a VCO control terminal is reduced to prevent the VCO phase noise characteristic from degrading. A VCO driving circuit and a frequency synthesizer having the VCO driving circuit, which comprises a coarse adjustment DA ...


9
Naoki Onishi, Tetsuya Hamana, Keisuke Ueda, Kouichi Ikegami, Kazuhiko Tachibana, Takuya Sakai: Discharge lamp lighting device, and illuminating device. Panasonic Electric Works, Ikeda Electric, Greenblum & Bernstein, July 5, 2011: US07973493 (2 worldwide citation)

In order to enhance stability of a discharge lamp at the time of dimming lighting even in the case where a light output is lowered, a direct current superimposing circuit superimposes a direct current voltage on an alternating current voltage applied to a fluorescent lamp, and a dimming signal corre ...


10
Yasuo Kitayama, Hiroki Kimura, Naoki Onishi, Nobuo Tsukamoto: VCO driving circuit and frequency synthesizer. Nihon Dempa Kogyo, Jacobson Holman PLLC, February 22, 2011: US07893774 (2 worldwide citation)

A VCO driving circuit and a frequency synthesizer wherein the impedance viewed from a VCO control terminal is reduced to prevent the VCO phase noise characteristic from degrading. A VCO driving circuit and a frequency synthesizer having the VCO driving circuit, which comprises a coarse adjustment DA ...