20 1986 jp japan patents | Patentfish.com

Electrolyte for aluminum electrolytic capacitor

Filed: May 18th, 1987 [Granted]

Assignee: Mitsubishi Petrochemical Co Ltd

Patent Number: 4774011

50574 [22] Filed: May 18, 1987 [30] Foreign Application Priority Data May 20, 1986 [JP] Japan 61-115616 May 20, 1986 [JP] Japan 61-115618 May 20, 1986 [JP] ...

Magnetic tape cassette with leaf-shaped spring door closure mechanism

Filed: April 17th, 1990 [Granted]

Assignee: Konica Corporation

Patent Number: 5041939

25, 1986 [JP] Japan 61-129165 Aug. 26, 1986 [JP] Japan 61-129632 Aug. ... 1986 [ JP] Japan 61-151808 Oct. 20, 1986 [JP] Japan 61-160740 Oct. 20, 1986 [JP] ...

Keyboard apparatus of electronic musical instrument

Filed: October 5th, 1987 [Granted]

Assignee: Yamaha Corporation

Patent Number: 4901614

105188 [22] Filed: Oct. 5, 1987 [30] Foreign Application Priority Data Oct. 6, 1986 [JP] Japan 61-238828 Oct. 20, 1986 [JP] Japan 61-250216 Oct. 20, ...

Automatic focus control device for use in a camera system

Filed: July 25th, 1989 [Granted]

Assignee: Minolta Camera Kabushiki Kaisha

Patent Number: 4969006

15, 1986 [JP] ' Japan 61-57397 Apr. 4, 1986 [JP] Japan 61-77108 May 20, 1986 [JP ] Japan 61-117011 May 20, 1986 [JP] Japan 61-117012 Jun. 9, 1986 [JP] Japan ...

Ferroelectric liquid crystal device with modified polyvinyl alcohol ...

Filed: March 17th, 1987 [Granted]

Assignee: Canon Kabushiki Kaisha

Patent Number: 4820026

20, 1986 [JP] Japan 61-063457 May 15, 1986 [JP] Japan 61-109444 May 15, 1986 [JP ] Japan 61-109445 May 15, 1986 [JP] Japan 61-109446 May 15, 1986 [JP] Japan ...

Roll type solid electrolyte capacitor

Filed: June 27th, 1989 [Granted]

Assignee: Showa Denko Kabushiki Kaisha Nippon Chemi-Con Corporation

Patent Number: 4889536

10, 1987, which is a division of Ser. No. 51787, May 20, 1987, abandoned. [30] Foreign Application Priority Data May 20, 1986 [JP] Japan 61-113521 May 20, ...

Optical system with grating lens assembly for correcting wavelength aberrations

Filed: September 18th, 1987 [Granted]

Assignee: Fujitsu Limited

Patent Number: 4832464

20, 1986 [JP] Japan 61-220870 Dec. 18, 1986 [JP] Japan 61-300028 Dec. ... 20, 1986 [JP] Japan 61-302791 Feb. 25, 1987 [JP] Japan 62-040433 Mar.

Position detecting apparatus using a magnetic sensor and a closed magnetic ...

Filed: September 11th, 1986 [Granted]

Assignee: Fujitsu Limited

Patent Number: 4810965

11, 1986 [30] Foreign Application Priority Data Sep. 13, 1985 [JP] Japan 60- 202832 Jan. 20, 1986 [JP] Japan 61-009566 Jan. 20, 1986 [JP] Japan 61-009569 Jan ...