HIROKAWA; Masahiko

Patent Applications and Registrations

Patent applications and USPTO patent grants for HIROKAWA; Masahiko.The latest application filed is for "switching power supply unit and electric power supply system".

Company Profile

0.8.9

HIROKAWA; Masahiko - Tokyo 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
Switching Power Supply Unit And Electric Power Supply System App 20220021312 - HIROKAWA; Masahiko ; et al.	2022-01-20
Method for determining cell number, cell number determination device, power supply device and program Grant 8,604,797 - Senriuchi , et al. December 10, 2	2013-12-10
Battery protection circuit, method for protecting battery, power supply device and program Grant 8,461,807 - Senriuchi , et al. June 11, 2	2013-06-11
Power supply control device, method for controlling power supply, program and power supply device Grant 8,369,056 - Senriuchi , et al. February 5, 2	2013-02-05
Method for determining cell number, cell number determination device, power supply device and program App 20100259270 - Senriuchi; Tadao ; et al.	2010-10-14
Power supply control device, method for controlling power supply, program and power supply device App 20100259856 - Senriuchi; Tadao ; et al.	2010-10-14
Battery protection circuit, method for protecting battery, power supply device and program App 20100259222 - Senriuchi; Tadao ; et al.	2010-10-14
Switching power supply Grant 6,717,390 - Miyazaki , et al. April 6, 2	2004-04-06
Switching power supply with transfer function control circuit Grant 6,683,798 - Matsuura , et al. January 27, 2	2004-01-27
Switching power supply App 20030039129 - Miyazaki, Hiroshi ; et al.	2003-02-27
Switching power supply App 20030035307 - Matsuura, Ken ; et al.	2003-02-20
Switching power supply App 20020136033 - Hirokawa, Masahiko ; et al.	2002-09-26
Semiconductor device App 20020134999 - Hirokawa, Masahiko ; et al.	2002-09-26
Switching power supply unit App 20020054498 - Cho, Hisanori ; et al.	2002-05-09

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