Hideaki Numata — 25 Patents at Nec

Hideaki Numata has been granted 25 US patents while listed as an inventor at Nec. The first was granted in 2001 and the most recent in September 2025. Hideaki Numata ranks #158,593 of 4,157,543 US inventors in our database (top 3.8%). Patent records list Hideaki Numata in Tokyo, JP.

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12428299	Method for separating single-walled carbon nanotube mixture and single-walled carbon nanotube dispersion liquid	Kazuki IHARA	2025-09-30
12215027	Nanocarbon separation method and nanocarbon separation apparatus	Fumiyuki Nihey	2025-02-04
12127485	Switching element and method for manufacturing same	Naoki Banno, Munehiro Tada, Koichiro Okamoto	2024-10-22
12042766	Cross-flow filtration device and cross-flow filtration method	—	2024-07-23
11767442	Nanocarbon ink and method for manufacturing semiconductor device in which same is used	—	2023-09-26
11511229	Nanocarbon separation method	Fumiyuki Nihey, Yuki Kuwahara, Takeshi Saito, Fusako Sasaki	2022-11-29
11435251	Control apparatus, array-type sensor, sensor usage method, control method, and program	Hiroyuki Endoh	2022-09-06
11383984	Nanocarbon separation device, nanocarbon separation method, and nanocarbon recovery method	Kazuki IHARA, Mayumi Kosaka, Ryota Yuge, Fumiyuki Nihey	2022-07-12
8923042	Magnetic random access memory	Nobuyuki Ishiwata, Norikazu Ohshima	2014-12-30
8737119	Magnetic memory cell and magnetic random access memory	Takeshi Honda, Noboru Sakimura, Tadahiko Sugibayashi, Norikazu Ohshima	2014-05-27
8547733	Magnetic random access memory	Nobuyuki Ishiwata, Norikazu Ohshima	2013-10-01
8526222	Magnetic random access memory	Nobuyuki Ishiwata, Norikazu Ohshima	2013-09-03
8477528	Magnetic memory cell and magnetic random access memory	Takeshi Honda, Noboru Sakimura, Tadahiko Sugibayashi, Norikazu Ohshima	2013-07-02
8351249	Magnetic random access memory	Nobuyuki Ishiwata, Norikazu Ohshima	2013-01-08
8309992	Switching element including carbon nanotubes and method for manufacturing the same	Satoru Toguchi, Hiroyuki Endoh	2012-11-13
8253124	Semiconductor element	Kazuki IHARA	2012-08-28
8238135	MRAM utilizing free layer having fixed magnetization regions with larger damping coefficient than the switching region	Tetsuhiro Suzuki, Norikazu Ohshima	2012-08-07
7929342	Magnetic memory cell, magnetic random access memory, and data read/write method for magnetic random access memory	Norikazu Ohshima, Tetsuhiro Suzuki, Tadahiko Sugibayashi, Nobuyuki Ishiwata, Shunsuke Fukami	2011-04-19
7177179	Magnetic memory, and its operating method	Sadahiko Miura, Tadahiko Sugibayashi, Kiyotaka Tsuji	2007-02-13	$23,000
7126201	Magnetic random access memory	Hisao Matsutera	2006-10-24	$18,000
6703249	Method of fabricating magnetic random access memory operating based on tunnel magnetroresistance effect	Takeshi Okazawa	2004-03-09	$26,000
6462981	Magnetic random access memory	Koichi Takeda	2002-10-08	$8,000
6462982	Magnetic random access memory having voltage control circuitry for maintaining sense lines at constant low voltages	Koichi Takeda	2002-10-08	$8,000
6341084	Magnetic random access memory circuit	Kouichi TAKEDA	2002-01-22	$42,000
6191972	Magnetic random access memory circuit	Sadahiko Miura	2001-02-20	$46,000

Hideaki Numata — 25 Patents

Issued Patents All Time

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