Johnny Chan — 44 Patents at Atmel

Johnny Chan has been granted 44 US patents while listed as an inventor at Atmel. The first was granted in 2000 and the most recent in February 2025. Johnny Chan ranks #66,838 of 4,157,543 US inventors in our database (top 1.6%). Patent records list Johnny Chan in Santa Clara, CA, US.

Patents per Year

Issued Patents All Time

Showing 26–44 of 44 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7512008	Circuit to control voltage ramp rate	Philip Ng, Alan Renninger, Jinshu Son, Jeffrey Ming-Hung Tsai, Tin-Wai Wong +1 more	2009-03-31	$12,889,000
7505443	System and method for broadcasting application-specific information in wireless local area networks	Justin Paul McNew, Jun Liu	2009-03-17
7453725	Apparatus for eliminating leakage current of a low Vt device in a column latch	Jeffrey Ming-Hung Tsai, Tin-Wai Wong	2008-11-18	$12,136,000
7427890	Charge pump regulator with multiple control options	—	2008-09-23	$7,421,000
7369446	Method and apparatus to prevent high voltage supply degradation for high-voltage latches of a non-volatile memory	Jinshu Son	2008-05-06	$15,203,000
7307898	Method and apparatus for implementing walkout of device junctions	Philip Ng, Jinshu Son	2007-12-11	$5,199,000
7304514	Methods and circuits for sensing on-chip voltage in powerup mode	Philip Ng	2007-12-04	$3,789,000
7295046	Power down detection circuit	Jeffrey Ming-Hung Tsai, Tin-Wai Wong	2007-11-13	$3,322,000
7279961	Charge pump for intermediate voltage	Tin-Wai Wong, Ken Ye	2007-10-09	$10,994,000
7257668	Method and system for enhancing the endurance of memory cells	Philip Ng, Tinwai Wong	2007-08-14	$3,878,000
7233528	Reduction of programming time in electrically programmable devices	Jeffrey Ming-Hung Tsai, Tin-Wai Wong	2007-06-19	$6,616,000
7180795	Method of sensing an EEPROM reference cell	Jinshu Son, Philip Ng	2007-02-20	$4,672,000
7145318	Negative voltage regulator	Tin-Wai Wong, Ken Ye	2006-12-05	$7,950,000
7082490	Method and system for enhancing the endurance of memory cells	Philip Ng, Tinwai Wong	2006-07-25	$8,450,000
6998884	Circuit for auto-clamping input pins to a definite voltage during power-up or reset	Philip Ng, Jeff Tsai	2006-02-14	$14,548,000
6891917	Shift register with reduced area and power consumption	Jeff Tsai, Philip Ng	2005-05-10	$16,551,000
6856557	Signal integrity checking circuit	Jinshu Son, Ken Ye, Tinwai Wong	2005-02-15	$17,626,000
6097657	Method for reading out the contents of a serial memory	Philip Ng, Jinshu Son	2000-08-01	$117,548,000
6038185	Method and apparatus for a serial access memory	Philip Ng, Jinshu Son	2000-03-14	$153,547,000

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