Maekawa; Katsumi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Maekawa; Katsumi.The latest application filed is for "inverter control device and ac motor control device using this inverter control device".

Company Profile

0.17.11

Maekawa; Katsumi - Tokyo N/A JP
Maekawa; Katsumi - Minato-ku JP
Maekawa; Katsumi - Saitama-ken JP
Maekawa; Katsumi - Gumma JP
Maekawa; Katsumi - Tokorozawa JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Position determining member to align a magnetic tape cartridge in a magnetic recording and reproducing apparatus Grant 8,564,907 - Honda , et al. October 22, 2	2013-10-22
Inverter control device and AC motor control device using this inverter control device Grant 8,274,246 - Maekawa , et al. September 25, 2	2012-09-25
Inverter Control Device And Ac Motor Control Device Using This Inverter Control Device App 20100109583 - Maekawa; Katsumi ; et al.	2010-05-06
Magnetic Tape Cartridge And Magnetic Recording And Reproducing Apparatus App 20080273259 - Honda; Hidetoshi ; et al.	2008-11-06
Control system for synchronous machine Grant 7,312,594 - Yasui , et al. December 25, 2	2007-12-25
Tape drive apparatus, tape extraction apparatus and tape cassette Grant 7,252,257 - Kurokawa , et al. August 7, 2	2007-08-07
Control system for synchronous machine App 20060097686 - Yasui; Kazuya ; et al.	2006-05-11
Tape drive device, tape extraction device and tape cassette Grant 6,991,193 - Kurokawa , et al. January 31, 2	2006-01-31
Tape drive apparatus, tape extraction apparatus and tape cassette App 20050092856 - Kurokawa, Toshiya ; et al.	2005-05-05
Tape drive apparatus, tape extraction apparatus and tape cassette App 20050092857 - Kurokawa, Toshiya ; et al.	2005-05-05
Tape drive apparatus, tape extraction apparatus and tape cassette App 20050092858 - Kurokawa, Toshiya ; et al.	2005-05-05
Tape reel and tape cartridge with the tape reel App 20050061902 - Sanpei, Takaaki ; et al.	2005-03-24
Recording and/or reproducing apparatus Grant 6,869,036 - Kano , et al. March 22, 2	2005-03-22
Single reel tape cartridge and recording and reproducing device using the tape cartridge Grant 6,865,047 - Maekawa , et al. March 8, 2	2005-03-08
Tape drive Grant 6,762,903 - Kano , et al. July 13, 2	2004-07-13
Recording and/or reproducing apparatus App 20040104297 - Kano, Yasuaki ; et al.	2004-06-03
Equipment sensing system and equipment control device Grant 6,742,349 - Kawai , et al. June 1, 2	2004-06-01
Tape drive device, tape extraction device and tape cassette App 20030168542 - Kurokawa, Toshiya ; et al.	2003-09-11
Recording medium, tape drive, and method for identifying type of recording medium Grant 6,611,394 - Kato , et al. August 26, 2	2003-08-26
Single reel tape cartridge and recording and reproducing device using the tape cartridge App 20030089809 - Maekawa, Katsumi ; et al.	2003-05-15
Information recording medium Grant D474,472 - Maekawa , et al. May 13, 2	2003-05-13
Tape drive App 20020122270 - Kano, Yasuaki ; et al.	2002-09-05
Recording medium device for use with a tape cartridge having an auxiliary memory viewable through a cartridge discrimination opening Grant 6,160,679 - Maekawa , et al. December 12, 2	2000-12-12
Inverter controller Grant 5,942,876 - Maekawa August 24, 1	1999-08-24
Magnet-optical disc drive device with sure disc placement Grant 5,448,537 - Tsukahara , et al. September 5, 1	1995-09-05
PWM controller having synchronous and asynchronous mode Grant 4,860,186 - Maekawa , et al. August 22, 1	1989-08-22
Digital PWM control circuit Grant 4,727,468 - Maekawa February 23, 1	1988-02-23

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