1
Kenta Sato, Akio Ikeda, Kuniaki Ito, Ryoji Kuroda, Masahiro Urata: Accelerometer-based controller. Nintendo, Nixon & Vanderhye P C, August 10, 2010: US07774155 (226 worldwide citation)

Acceleration data which is output from an acceleration sensor is obtained. A rotation motion of an input device around a predetermined direction as a rotation axis is determined by comparing a start point in a two-dimensional coordinate system which is represented by the first acceleration data obta ...


2
Akio Ikeda, Kuniaki Ito, Ryoji Kuroda, Genyo Takeda, Masahiro Urata: Video game system with wireless modular handheld controller. Nintendo, Nixon & Vanderhye P C, April 19, 2011: US07927216 (105 worldwide citation)

A home entertainment system for video games and other applications includes a main unit and handheld controllers. The handheld controllers sense their own orientation by detecting illumination emitted by emitters positioned at either side of a display. The controllers can be plugged into expansion u ...


3
Akio Ikeda, Kuniaki Ito: Game operating device. Nintendo, Nixon & Vanderhye P C, May 17, 2011: US07942745 (104 worldwide citation)

A game operating device (controller) includes a longitudinal housing, and a holding portion held by hand to be wrapped by its palm it is formed in the housing. A direction switch is provided on an upper surface at a position where it can be operated by thumb of the hand holding the holding portion, ...


4
Toshikazu Tomizawa, Akio Ikeda: Combined game system of portable and video game machines. Nintendo, Nixon & Vanderhye P C, December 31, 2002: US06500070 (94 worldwide citation)

A combined game system includes a plurality of portable game machines and a video game machine. The portable game machines are connected to the video game machine through communication cables, and the video game machine is in turn connected to a display. Each portable game machine has an LCD and an ...


5
Akio Ikeda, Koetsu Shano: Device for controlling the drilling direction of drill bit. Japan National Oil Corporation, Watson Cole Grindle Watson P L L C, March 2, 1999: US05875859 (56 worldwide citation)

A device for controlling the drilling direction of drills includes a cylinder-type housing 6, a first ring-formed component 11 which is located on an inner peripheral surface that is eccentric with respect to the cylinder-type housing 6, a second ring-formed component 12 which is located on the inne ...


6
Akio Ikeda, Ryoji Kuroda, Masahiro Urata, Kuniaki Ito: Game operating device. Nintendo, Nixon & Vanderhye PC, April 26, 2011: US07931535 (38 worldwide citation)

A game operating device (controller) includes a longitudinal housing, and a holding portion held by hand to be wrapped by its palm it is formed in the housing. A direction switch is provided on an upper surface at a position where it can be operated by thumb of the hand holding the holding portion, ...


7
Akio Ikeda, Toshikazu Tomizawa: Combined game system. Ninetendo, Nixon & Vanderhye P C, April 16, 2002: US06371854 (34 worldwide citation)

A combined game system includes a portable game machine and another type of video game machine. The portable game machine and the other type of video game machine are connected through a game cartridge and communication cable. The portable game machine includes an LCD, and the other video game machi ...


8
Akio Ikeda: Game controller and game system. Nintendo, Nixon & Vanderhye P C, September 16, 2014: US08834271 (31 worldwide citation)

A first control unit includes a first operation data generation section for generating first operation data in accordance with a motion of a first control unit body included in the first control unit. A second control unit includes a second operation data generation section for generating second ope ...


9
Akio Ikeda: Wireless game controllers. Nintendo, Nixon & Vanderhye P C, October 28, 2014: US08870655 (30 worldwide citation)

A game controller arrangement includes a first control unit generating first operation data including linear acceleration sensed within a first control unit body. A second control unit generates second operation data in accordance with a direction input operation performed by a player. One of the fi ...


10
Takeo Kudo, Yasutaka Okada, Taishi Moroishi, Akio Ikeda, Hiroo Ohtani, Kunihiko Yoshikawa: Alloy for making high strength deep well casing and tubing having improved resistance to stress-corrosion cracking. Sumitomo Metal, Burns Doane Swecker and Mathis, August 23, 1983: US04400211 (24 worldwide citation)

An alloy useful for manufacturing high strength deep well casing, tubing and drill pipes for use in oil-well operations is disclosed. The alloy exhibits improved resistance to stress corrosion cracking in the H.sub.2 S-CO.sub.2 -Cl.sup.- environment, which comprises the following alloy composition: