Shinichi Sato, Fumio Takeda: Antenna with lumped reactive matching elements between radiator and groundplate. Mitsubishi Denki Kabushiki Kaisha, Lowe Price Leblanc Becker & Shur, May 2, 1989: US04827266 (88 worldwide citation)

Between a circular conductor plate and a grounding conductor plate, lumped constant elements such as coils and capacitors are connected. As a result, the resonance frequency of an antenna can be changed in a wide range.

Fumio Takeda, Yoshio Kojima, Yutaka Ishibashi, Isako Tsushima, Kenji Sugimoto, Hideo Tanaka, Hidetoshi Takahashi, Fumio Sumiyoshi: Method for manufacturing system floor and floor base for system floor. Kabushiki Kaisha Toshiba, Oblon Spivak McClelland Maier & Neustadt, February 7, 1995: US05386670 (39 worldwide citation)

A floor panel having a rectangular floor base integrally with a convex prop in each corner portion and a concave portion on the upper surface of each prop. There is a height adjusting screw with a plate embedded in the concave portion of each prop, variably for adjusting the height of the support po ...

Hiroshi Kobayashi, Toshio Yasunaga, Toshihiko Muro, Fumio Takeda, Yutaka Tsuruta: Interior panel. Kabushiki Kaisha Toshiba, Taisei Corporation, Oblon Fisher Spivak McClelland & Maier, June 10, 1986: US04593499 (36 worldwide citation)

An interior panel according to the present invention comprises a plurality of support units fixedly arranged on a floor slab, a panel member supported by the support units so as to be located over the slab surface at a predetermined distance therefrom, and a cable separator supported by the support ...

Naoya Sasaki, Masataka Kawauchi, Yoshio Fukudome, Fumio Takeda, Yoichi Suzuki, Toshio Mirubayashi, Itsunori Utsumi: Sheets separating and feeding apparatus. Hitachi, Antonelli Terry & Wands, March 31, 1987: US04653742 (31 worldwide citation)

This invention relates to a apparatus for separating and feeding sheets such as sheets of paper comprising an accommodation box for accommodating the sheets of paper stacked by their own weight, a pick-up roller provided so that the upper surface thereof projects into the interior of the box to bear ...

Akira Kawabata, Tadashi Shiosaki, Fumio Takeda, Satoru Fujishima, Hideharu Ieki: Sezawa surface acoustic wave device using a piezoelectric layer over a nitride layer on a substrate. Murata Manufacturing, Ostrolenk Faber Gerb & Soffen, February 18, 1986: US04571519 (25 worldwide citation)

A surface acoustic wave device comprising a surface acoustic wave substrate member composed by forming an aluminum nitride film and a thin zinc oxide film successively on a glass substrate. The thickness h.sub.1 of the aluminum nitride film and the thickness h.sub.2 of the zinc oxide film are set wi ...

Isao Shimizu, Takashi Yoshida, Fumio Takeda, Hideki Tanaka, Katsumi Watanabe, Yasuhiro Matsuda, Akira Shimizu, Masashi Yoshida, Toshihiko Gotoh, Koutarou Tanno: Thermal transfer printer. Hitachi, Antonelli Terry Stout & Kraus, March 19, 1991: US05001498 (22 worldwide citation)

A thermal transfer printer including a thermal head for generating heat in accordance with a desired print pattern, a platen having a surface for supporting an ink-sheet and paper, the ink-sheet and paper being pressed by the thermal head on the platen surface so that ink from the ink-sheet is trans ...

Tadashi Takagi, Kiyoharu Seino, Fumio Takeda: Microwave power combining FET amplifier. Mitsubishi Denki Kabushiki Kaisha, Sughrue Mion Zinn Macpeak and Seas, February 7, 1989: US04803443 (19 worldwide citation)

A microwave power combining FET amplifier includes T-type input and output branch circuits 13, 14 for power splitting and combining, and interstage matching circuits 6a, 6b laterally connected at their mid-points a, b by a resistance circuit 15 which absorbs odd propagation mode waves reflected back ...

Fumio Takeda, Yoshio Kojima, Tsuneo Kaneko, Yutaka Ishibashi, Naoto Sasaki, Isako Tsushima: Interior panel unit for permitting arrangement of cables and devices on room floor. Kabushiki Kaisha Toshiba, Oblon Spivak McClelland Maier & Neustadt, February 23, 1993: US05187907 (17 worldwide citation)

This invention relates to an interior panel unit having a structure in which a plurality of rectangular floor base members to be installed on a foundation floor of a room are connected to each other by base joint members. A plurality of fundamental support members having the same height and a plural ...

Makoto Matsunaga, Yoshitada Iyama, Fumio Takeda: Microwave semiconductor switch. Mitsubishi Denki Kabushiki Kaisha, Wolf Greenfield & Sacks, December 6, 1988: US04789846 (17 worldwide citation)

A microwave semiconductor switch wherein first and second field effect transistors and first, second and third input/output microstrip lines are integrally formed on a semiconductor substrate. The first field effect transistor is connected in series between the second input/output line and a junctio ...

Kiyoharu Seino, Tadashi Takagi, Fumio Takeda, Yukio Ikeda: Distributed fet amplifier and bias voltage supply circuit therefor. Mitsubishi Denki Kabushiki, Wolf Greenfield & Sacks, August 1, 1989: US04853649 (17 worldwide citation)

A distributed FET amplifier comprising an array of FET elements each having a gate terminal, a drain terminal and a source terminal. The gate terminals of the adjacent FET elements are connected by a first inductor, and the drain terminals of the adjacent FET elements are connected by a second induc ...