1
Akihiro Hozumi, Koji Omori: Electric tool switch. OMRON Corporation, Osha • Liang, June 5, 2012: US08193458 (3 worldwide citation)

An electric tool switch has an operation member turnable in both directions and biased to self-return to a neutral position, a circuit substrate arranged to be orthogonal to a turning shaft of the operation member, a slidably moving element which is pressed against the circuit substrate and which is ...


2
Akihiro Hozumi, Koji Omori, Hiroyuki Miyaura, Yoshiyuki Baba, Junichi Nishikimi, Akira Tomonaga: Electrical power tool. OMRON Corporation, Makita Corporation, Osha Liang, October 2, 2012: US08276685 (1 worldwide citation)

In view of the above problem, the present invention is to provide an electrical power tool which enables a user to intuitively grasp a rotation direction and a rotation speed of a tip tool. The electrical power tool 1 comprises a chuck 2 provided at a tip of a tool body 3, and rotatable with a tip t ...


3
Akihiro Hozumi: Switch unit. OMRON Corporation, Klarquist Sparkman, June 21, 2016: US09373461 (1 worldwide citation)

A switch unit including a case that has an opening and a switch, two terminals that partially project to an outside of the case from the opening, a gasket configured to seal the opening, the gasket including two through-holes through which the terminals extend, a base member, and a pressing member t ...


4
Taiki Koyama, Minoru Kobayashi, Akihiro Hozumi: Contact mechanism having movable contact pieces, trigger switch and electric tool with same. OMRON Corporation, Metrolexis Law Group PLLC, March 13, 2018: US09916944 (1 worldwide citation)

A pair of open/close and current-passing movable contact pieces is supported on a movable contact terminal such that the pair is rotatable along with the reciprocation of an operating element. An open/close movable contact is mounted on the open/close movable contact piece and is rotatably biased by ...


5
Akihiro Hozumi, Yoshiyuki Baba, Jiro Suzuki, Junichi Nishikimi: Trigger switch. OMRON Corporation, Makita Corporation, Osha Liang, June 6, 2017: US09671813

A trigger switch has a case member, a cover member, and an operation member configured to be used to carry out an operation. The case member and the cover member are combined with each other to form a waterproof case. When the operation member is operated, the operation member is displaced inward of ...


6

7

8
Akihiro Hozumi: Switch. OMRON Corporation, Osha Liang, November 7, 2017: US09812267

A switch, with enhanced operability and capable of changing control circuits independently by one hand, has a printed circuit board, first and second wiring patterns provided on one surface of the printed circuit board, first and second crank members supported for rotation above the printed circuit ...


9
Akihiro Hozumi: Printed wiring board and electric tool switch provided therewith. OMRON Corporation, Klarquist Sparkman, August 9, 2016: US09414492

A printed wiring board including a connection part that is connected to a projecting portion of an external member by soldering, the connection part including a first hole in which the projecting portion is inserted, a main land to which the projecting portion is soldered, a metallic pattern that is ...


10
Taiki Koyama, Minoru Kobayashi, Akihiro Hozumi: Terminal connection structure. OMRON Corporation, Osha Liang, April 18, 2017: US09627783

A terminal connection structure has a housing, a base housed in the housing, and a terminal unit having a pair of tab terminals disposed on the base, a pair of terminal portions disposed in the tab terminals in parallel, each of which is exposed from the housing and configured to be connected to an ...