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Jun Iijima — 40 Patents

Toshiba Memory: 11 patents #113 of 1,971Top 6%
Kioxia: 11 patents #90 of 1,813Top 5%
Casio Computer Co.: 10 patents #228 of 1,970Top 15%
Kabushiki Kaisha Toshiba: 2 patents #10,039 of 21,451Top 50%
SCSemiconductor Technology Academic Research Center: 2 patents #50 of 254Top 20%
NUNational University Corporation Tohoku University: 2 patents #36 of 170Top 25%
NCNissin Kogyo Co.: 2 patents #101 of 334Top 35%
Sony: 1 patents #17,321 of 25,231Top 70%
Yokkaichi, JP: #68 of 2,072 inventorsTop 4%
Overall (All Time): #78,057 of 4,157,543Top 2%
40 Patents All Time
Jun Iijima has been granted 40 US patents while listed as an inventor at Kioxia. The first was granted in 1998 and the most recent in April 2025. Jun Iijima ranks #78,057 of 4,157,543 US inventors in our database (top 1.9%). Patent records list Jun Iijima in Yokkaichi, JP.

Issued Patents All Time

Showing 1–25 of 40 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12272676 Memory device Masayoshi Tagami, Ryota Katsumata, Tetsuya Shimizu, Takamasa Usui, Genki Fujita 2025-04-08
12089409 Semiconductor memory Masayoshi Tagami, Ryota Katsumata, Kazuyuki Higashi 2024-09-10
12068301 Semiconductor device and method of manufacturing the same Yumi Nakajima 2024-08-20
11817428 Memory device Masayoshi Tagami, Ryota Katsumata, Tetsuya Shimizu, Takamasa Usui, Genki Fujita 2023-11-14
11769747 Semiconductor device and method of manufacturing the same Genki SAWADA, Masayoshi Tagami, Ippei Kume, Kiyomitsu Yoshida 2023-09-26
11729973 Semiconductor memory Masayoshi Tagami, Ryota Katsumata, Kazuyuki Higashi 2023-08-15
11652094 Semiconductor device and method of manufacturing the same Yumi Nakajima 2023-05-16
11532589 Semiconductor wafer and method of manufacturing the same Hiroshi Nakaki 2022-12-20
11355512 Semiconductor device including a plug connected to a bit line and containing tungsten Masayoshi Tagami, Masayuki Kitamura, Satoshi Wakatsuki 2022-06-07
11302684 Semiconductor device and method of manufacturing the same Yumi Nakajima 2022-04-12
11270980 Memory device Masayoshi Tagami, Ryota Katsumata, Tetsuya Shimizu, Takamasa Usui, Genki Fujita 2022-03-08
11063062 Semiconductor device and method of manufacturing the same Masayoshi Tagami, Shinya Arai, Takahiro Tomimatsu 2021-07-13
10950630 Semiconductor memory Masayoshi Tagami, Ryota Katsumata, Kazuyuki Higashi 2021-03-16
10868029 Staggered semiconductor memory device Masayoshi Tagami, Takamasa Usui, Takahito Nishimura 2020-12-15
10748928 Semiconductor memory Masayoshi Tagami, Ryota Katsumata, Kazuyuki Higashi 2020-08-18
10741527 Memory device Masayoshi Tagami, Ryota Katsumata, Tetsuya Shimizu, Takamasa Usui, Genki Fujita 2020-08-11
10600771 Semiconductor device and method of manufacturing the same Yumi Nakajima 2020-03-24
10553612 Semiconductor memory Masayoshi Tagami, Ryota Katsumata, Kazuyuki Higashi 2020-02-04
10381374 Semiconductor memory Masayoshi Tagami, Ryota Katsumata, Kazuyuki Higashi 2019-08-13
10331028 Imprinting apparatus, recording medium, and imprinting method Takahito Nishimura 2019-06-25
10297578 Memory device Masayoshi Tagami, Ryota Katsumata, Tetsuya Shimizu, Takamasa Usui, Genki Fujita 2019-05-21
10075631 Imaging apparatus, imaging method and recording medium having program for performing self-timer shooting Junichi Miyasaka 2018-09-11
9887262 Semiconductor device Yoshihiro Minami, Tetsuya Shimizu, Takamasa Usui, Masayoshi Tagami 2018-02-06
9723221 Imaging device shooting a common subject in synchronization with other imaging devices Kazuya Nara, Kouichi Saitou, Toshiya Kiso, Takuya Yamada 2017-08-01
9589974 Nonvolatile semiconductor memory device and method for manufacturing same Yoshiaki Himeno, Takamasa Usui 2017-03-07

Nearby-Ranked Inventors

Kazumasa Takata40
Yunchao Gong40
Martin Zebhauser40
Stephen E. Delaporte40
Koichi Nagami40
Joel R. Spurlock40
Rémy Lassalle-Balier40
Katsuhiro Morikawa40
Tomohiro Sugimoto40