1
Yoichi Okuda, Koichi Ozaki, Takashi Yamaguchi, Keiichi Yoshida, Junichi Sasa: Progressive gaming system. Konami, Jordan and Hamburg, May 1, 2001: US06224484 (514 worldwide citation)

A progressive gaming system comprises a plurality of gaming machines, each of which is constructed to perform a predetermined main game in response to an operation of a player and gives a prize to the player when a winning combination is formed in the main game; and a progressive unit for counting a ...


2
Toshiaki Nakagawa, Takashi Yamaguchi, Kohichi Hayashida: Competitive game simulation machine. Konami, Jordan and Hanburg, February 1, 2000: US06019369 (330 worldwide citation)

A competitive game simulation machine includes a plurality of moving objects; a game board on which the plurality of moving objects are to be placed; and a controller for controlling motions of the moving objects on the game board. The game board includes a main area used for moving objects to compe ...


3
Yuuichi Ohkubo, Takashi Yamaguchi: Game machine controller. Sugiyama Electron, Ostrolenk Faber Gerb & Soffen, April 29, 1997: US05624117 (147 worldwide citation)

A game machine controller with keys controls the movement of an image subject displayed on a monitor screen in an X- and a Y-axis direction. A first and a second controller section are coupled to each other by a coupling member. Relative displacement information of the first and second controller se ...


4
Hiroyuki Nishimura, Yasuaki Muranaka, Hiroyuki Tashiro, Takashi Yamaguchi: Camera apparatus for electronic conference. Matsushita Electric Industrial, Watson Cole Stevens Davis P L L C, March 31, 1998: US05734414 (105 worldwide citation)

A camera unit for an electronic conference is adapted to be set on a monitor, and comprises a stationary support base set on the monitor, a camera unit body provided on said stationary support base so as to be horizontally rotatable, a lens block supported to the camera unit body so as to be vertica ...


5
Masaaki Ozaki, Takahisa Kaneko, Ken Nishioka, Tsuneo Uchida, Hiroshi Kawakami, Yoshio Aoki, Takashi Yamaguchi: Pattern display device and game machine including the same. DENSO CORPORATION, Yamasa, Posz Law Group, August 14, 2007: US07255643 (85 worldwide citation)

A game machines has a back side display unit composed of reels for displaying back patterns, and a front side display unit composed of transparent EL panels for displaying overlapping patterns overlapping with the back patterns. The back side display unit and the front side display unit are disposed ...


6
Hiromu Hirai, Takashi Yamaguchi, Fuyuto Takase, Tomomasa Yoshida: Table device. Hitachi, Antonelli Terry & Wands, May 19, 1987: US04667139 (64 worldwide citation)

A first table is provided on a fixed base so that the first table can be moved in one of two directions which cross each other at right angles. A second table is provided on the first table so that the second table can be moved in the other direction. Linear motors for applying the driving force to ...


7
Toshimasa Kobayashi, Katsunori Yanashima, Takashi Yamaguchi, Hiroshi Nakajima: Nitride semiconductor device and method of manufacturing the same. Sony Corporation, Sonnenschein Nath & Rosenthal, July 26, 2005: US06921673 (55 worldwide citation)

Provided is a nitride semiconductor device with high reliability and high flexibility in design and manufacture of the device. The nitride semiconductor device comprises a seed crystal portion (11) formed on a sapphire substrate (10) and having a mask (12) on one side surface thereof, and a GaN laye ...


8
Takashi Yamaguchi: Method of processing image information and method of preventing forgery of certificates or the like. Kabushiki Kaisha Toshiba, Pillsbury Winthrop, August 20, 2002: US06438251 (55 worldwide citation)

Additional information, composed of characters, images, voice, etc., is converted into two-dimensional codes and then converted into a visible additional image to be embedded. The additional image is embedded in a full-color main image in a state of invisibility to produce a composite image. The com ...


9
Takashi Yamaguchi, Shinichi Nakamura, Takafumi Oshima: Spark plug and its electrode configuration. NGK Spark Plug, Finnegan Henderson Farabow Garrett and Dunner, October 13, 1987: US04700103 (49 worldwide citation)

A spark plug in which a noble metal tip welded to the leading end face of a center electrode is in the form of a fine wire while a noble metal tip welded to the leading end face of a ground electrode is in the form of a wire or column; and when each of the noble metal tips is electrically welded to ...


10
Katsuhiko Watanabe, Masanori Suganuma, Yoshihito Kato, Takashi Yamaguchi, So Takeyama, Hayato Mizue: Game machine for randomly selected information comparison with sets of selected, randomly selected and correlated information. Konami, Jordan and Hamburg, June 27, 2000: US06080061 (46 worldwide citation)

A video game machine has a mechanism extracting balls, a display unit having a display area which displays a matrix composed of boxes, and a CPU. The CPU implements a function enabling the player to appoint a ball type in terms of color and number to boxes of a second line of the matrix. A function ...