Maruyama; Takaya

Patent Applications and Registrations

Patent applications and USPTO patent grants for Maruyama; Takaya.The latest application filed is for "current amplifier".

Company Profile

6.11.10

Maruyama; Takaya - Tokyo JP
Maruyama; Takaya - Itami JP
Maruyama, Takaya - Itami-shi 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
Current amplifier Grant 11,005,429 - Maruyama , et al. May 11, 2	2021-05-11
Current Amplifier App 20200021252 - MARUYAMA; Takaya ; et al.	2020-01-16
Phase shift precision calibration circuitry, vector sum phase shifter, and wireless communication device Grant 10,530,338 - Maruyama , et al. J	2020-01-07
Polyphase filter and filter circuit Grant 10,425,062 - Kato , et al. Sept	2019-09-24
Transconductance amplifier and phase shifter Grant 10,404,228 - Maruyama , et al. Sep	2019-09-03
Polyphase Filter And Filter Circuit App 20190013794 - KATO; Atsushi ; et al.	2019-01-10
Phase Shift Precision Calibration Circuitry, Vector Sum Phase Shifter, And Wireless Communication Device App 20180323771 - MARUYAMA; Takaya ; et al.	2018-11-08
Transconductance Amplifier And Phase Shifter App 20180212576 - MARUYAMA; Takaya ; et al.	2018-07-26
Semiconductor device for signal amplification Grant 8,571,496 - Mizokami , et al. October 29, 2	2013-10-29
Semiconductor Device For Signal Amplification App 20130043948 - MIZOKAMI; Masakazu ; et al.	2013-02-21
Filter Circuit And Communication Semiconductor Device Using The Same App 20120092065 - SANO; Tomohiro ; et al.	2012-04-19
Filter circuit and communication semiconductor device using the same Grant 8,116,715 - Sano , et al. February 14, 2	2012-02-14
Semiconductor Device For Signal Amplification App 20100231305 - Mizokami; Masakazu ; et al.	2010-09-16
Filter Circuit And Communication Semiconductor Device Using The Same App 20090068976 - SANO; Tomohiro ; et al.	2009-03-12
Frequency mixer preventing degradation in linearity on amplitude of input signal Grant 7,382,175 - Maruyama , et al. June 3, 2	2008-06-03
Frequency mixer preventing degradation in linearity on amplitude of input signal App 20050208922 - Maruyama, Takaya ; et al.	2005-09-22
Gain control circuit for controlling a gain in a variable gain cell Grant 6,717,469 - Maruyama , et al. April 6, 2	2004-04-06
Gain control circuit for controlling a gain in a variable gain cell App 20030122623 - Maruyama, Takaya ; et al.	2003-07-03
Multi-stage signal amplifying circuit Grant 6,313,704 - Maruyama , et al. November 6, 2	2001-11-06
Gain control circuit for controlling operation of a variable-gain amplifier or the like Grant 6,144,233 - Maruyama , et al. November 7, 2	2000-11-07

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.