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Junhua Ding — 45 Patents

MIMks Instruments: 44 patents #1 of 442Top 1%

Boxborough, MA: #12 of 320 inventorsTop 4%

Massachusetts: #1,506 of 88,656 inventorsTop 2%

Overall (All Time): #64,393 of 4,157,543Top 2%

45 Patents All Time

Junhua Ding has been granted 45 US patents while listed as an inventor at Mks Instruments. The first was granted in 2007 and the most recent in August 2025. Junhua Ding ranks #64,393 of 4,157,543 US inventors in our database (top 1.5%). Patent records list Junhua Ding in Boxborough, MA, US.

Patents per Year

Issued Patents All Time

Showing 1–25 of 45 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12393209	Methods and apparatus for reporting inlet pressure in mass flow controllers	—	2025-08-19
12360093	Method and apparatus for pulse gas delivery with concentration measurement	Hongke Ye, Vidi Saptari	2025-07-15
12306160	Binary gas purity analyzer	Chad David Wilson, Gerardo A. Brucker	2025-05-20
12287655	Method and apparatus for mass flow control	—	2025-04-29
12264950	Method and apparatus for mass flow verification	Michael L'Bassi	2025-04-01
12000723	Method and apparatus for pressure based mass flow control	—	2024-06-04	$67,238,000
11940307	Methods and apparatus for pressure based mass flow ratio control	—	2024-03-26	$70,371,000
11573583	Pressure control using an external trigger	Mark J. Quaratiello	2023-02-07	$64,892,000
11513108	Method and apparatus for pulse gas delivery with concentration measurement	Jim Ye, Vidi Saptari	2022-11-29	$25,271,000
11513542	Method and apparatus for pulse gas delivery using an external pressure trigger	Michael L'Bassi, Mark J. Quaratiello	2022-11-29	$25,271,000
11404290	Method and apparatus for pulse gas delivery	Michael L'Bassi	2022-08-02	$50,566,000
11187561	Methods and apparatus for pressure based mass flow ratio control	—	2021-11-30	$71,702,000
10969799	System for and method of fast pulse gas delivery	Michael L'Bassi, Tseng-Chung Lee	2021-04-06	$49,404,000
10801867	Method and apparatus for self verification of pressured based mass flow controllers	—	2020-10-13	$62,243,000
10725484	Method and apparatus for pulse gas delivery using an external pressure trigger	Michael L'Bassi, Mark J. Quaratiello	2020-07-28	$34,072,000
10698426	Methods and apparatus for multiple channel mass flow and ratio control systems	Michael L'Bassi, Wayne Cole	2020-06-30	$60,730,000
10649471	Method and apparatus for pulse gas delivery with isolation valves	Michael L'Bassi, Gordon Hill	2020-05-12	$54,155,000
10606285	System for and method of monitoring flow through mass flow controllers in real time	—	2020-03-31	$41,119,000
10514712	Method and apparatus for pressure-based flow measurement in non-critical flow conditions	Michael L'Bassi	2019-12-24	$50,157,000
10353408	System for and method of fast pulse gas delivery	Michael L'Bassi, Tseng-Chung Lee	2019-07-16	$11,891,000
10126760	System for and method of fast pulse gas delivery	Michael L'Bassi, Tseng-Chung Lee	2018-11-13	$33,468,000
10031531	System for and method of multiple channel fast pulse gas delivery	—	2018-07-24	$12,349,000
10031004	Methods and apparatus for wide range mass flow verification	Michael L'Bassi, Wayne Cole	2018-07-24	$12,349,000
10031005	Method and apparatus for self verification of pressure-based mass flow controllers	—	2018-07-24	$12,349,000
9952078	Upstream volume mass flow verification systems and methods	Kaveh Zarkar	2018-04-24	$22,768,000