Asit Ray — 10 Patents at IBM | Patent Leaderboard

Asit Ray has been granted 10 US patents while listed as an inventor at IBM. The first was granted in 1980 and the most recent in June 2025. Asit Ray ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Asit Ray in Baldwin, NY, US.

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12342736	Phase-change memory cell with mixed-material switchable region	Matthew J. BrightSky, Cheng-Wei Cheng, Guy M. Cohen, Robert L. Bruce, Wanki Kim	2025-06-24
11730070	Resistive random-access memory device with step height difference	Hiroyuki Miyazoe, Seyoung Kim, Takashi Ando	2023-08-15	$8,098,000
10971546	Crosspoint phase change memory with crystallized silicon diode access device	Fabio Carta, Matthew J. BrightSky, Bahman Hekmatshoartabari, Wanki Kim	2021-04-06	$3,234,000
10833268	Resistive memory crossbar array with a multilayer hardmask	Hiroyuki Miyazoe, Takashi Ando, Seyoung Kim	2020-11-10	$848,000
9059404	Resistive memory with a stabilizer	Matthew J. BrightSky, Sangbum Kim, Chung H. Lam, Norma E. Sosa Cortes	2015-06-16	$2,098,000
9006700	Resistive memory with a stabilizer	Matthew J. BrightSky, Sangbum Kim, Chung H. Lam, Norma E. Sosa Cortes	2015-04-14	$3,567,000
6287897	Gate dielectric with self forming diffusion barrier	Evgeni Gousev, Kai CK Chen	2001-09-11
4510172	Technique for thin insulator growth	—	1985-04-09	$30,363,000
4323589	Plasma oxidation	Arnold Reisman	1982-04-06	$24,935,000
4232057	Semiconductor plasma oxidation	Arnold Reisman	1980-11-04

Asit Ray — 10 Patents

Issued Patents All Time

Patent Widget