Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JO

Jun Ohno — 24 Patents

Fujitsu Limited: 6 patents #5,180 of 24,456Top 25%
FLFujitsu Microelectronics Limited: 4 patents #27 of 624Top 5%
Kabushiki Kaisha Toshiba: 3 patents #8,069 of 21,451Top 40%
HGHGST: 3 patents #652 of 1,677Top 40%
SCShindengen Electric Manufacturing Co.: 2 patents #94 of 307Top 35%
AKAsahi Kasei Kabushiki Kaisha: 2 patents #302 of 1,220Top 25%
TOToshiba: 2 patents #606 of 2,688Top 25%
TCTsukishima Kikai Co.: 1 patents #48 of 127Top 40%
FLFujitsu Semiconductor Limited: 1 patents #612 of 1,301Top 50%
Tokyo, JP: #5,997 of 90,295 inventorsTop 7%
Overall (All Time): #168,038 of 4,157,543Top 5%
24 Patents All Time
Jun Ohno has been granted 24 US patents while listed as an inventor at Fujitsu Limited. The first was granted in 1986 and the most recent in September 2025. Jun Ohno ranks #168,038 of 4,157,543 US inventors in our database (top 4.0%). Patent records list Jun Ohno in Tokyo, JP.

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12421613 Electrolysis system and method of use of the same Yasuhiro Fujita, Hisanao Aoki, Yousuke UCHINO 2025-09-23
11643741 Method of producing hydrogen Yousuke UCHINO, Norikazu Fujimoto 2023-05-09
9224645 Silicon carbide semiconductor device and method for manufacturing the same 2015-12-29
9005462 Method for manufacturing silicon carbide semiconductor device 2015-04-14
8111575 Semiconductor device Kaoru Mori, Shinya Fujioka, Yoshitaka Takahashi, Akihiro Funyu, Shinichiro Suzuki 2012-02-07
8089720 Hard-disk drive Yosuke Urakami, Hideaki Maeda, Hiroyasu Tanabe 2012-01-03 $174,000
7730232 Data transfer method and system Shinya Fujioka, Kotoku Sato, Hitoshi Ikeda, Yoshiaki Okuyama 2010-06-01
7688659 Semiconductor memory capable of testing a failure before programming a fuse circuit and method thereof Kaoru Mori, Hiroyuki Kobayashi 2010-03-30
7675773 Semiconductor memory, test method of semiconductor memory and system Kaoru Mori, Toshikazu Nakamura, Masaki Okuda 2010-03-09
7672181 Semiconductor memory, test method of semiconductor memory and system Kaoru Mori, Kota Hara 2010-03-02
7394607 Disk drive with position detection Hiroyasu Tanabe, Noboru Suzuki, Toshiaki Tsuyoshi 2008-07-01 $263,000
7362652 Semiconductor circuit 2008-04-22
7120086 Semiconductor circuit 2006-10-10
7114025 Semiconductor memory having test function for refresh operation Tatsuya Kanda, Akihiro Funyu, Takahiko Sato, Yoshiaki Okuyama, Hitoshi Ikeda 2006-09-26
7057959 Semiconductor memory having mode register access in burst mode Shinya Fujioka, Shinichi Yamada, Kotoku Sato 2006-06-06
6842391 Semiconductor memory of a dynamic random access memory (DRAM) type having a static random access memory (SRAM) interface Shinya Fujioka, Shinichi Yamada, Kotoku Sato 2005-01-11
6798276 Reduced potential generation circuit operable at low power-supply potential Katsuhiro Mori, Shinya Fujioka 2004-09-28
6700737 Recording and reproducing separation type magnetic head having thin part in upper core or magnetic film and magnetic storage apparatus using the same Takayoshi Ohtsu 2004-03-02 $219,000
5528077 Flexible tab semiconductor device Yasuo Tane, Jiro Nakano 1996-06-18
5478475 Fluid distribution apparatus, an artificial moving bed, and a continuous adsorption method Minoru Morita 1995-12-26
5093282 Method of making a semiconductor device having lead pins and a metal shell Koh-ichi Fukazawa, Masamichi Shindo 1992-03-03
4949160 Semiconductor device 1990-08-14
4783424 Method of making a semiconductor device involving simultaneous connection and disconnection Satoshi Konishi 1988-11-08
4608668 Semiconductor device Satoshi Konishi 1986-08-26