YI

Yukio Ishikawa

FL Fujitsu Ten Limited: 11 patents #23 of 996Top 3%
KT Kabushiki Kaisha Toshiba: 4 patents #6,684 of 21,451Top 35%
Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
FL Fujitsu Semiconductor Limited: 3 patents #229 of 1,301Top 20%
RE Renesas Electronics: 2 patents #1,855 of 4,529Top 45%
EC Eisai R&D Management Co.: 2 patents #329 of 817Top 45%
MC Mitsumi Electric Co.: 2 patents #346 of 935Top 40%
SC Sumitomo Metal Mining Co.: 1 patents #385 of 736Top 55%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
RT Renesas Technology: 1 patents #1,991 of 3,337Top 60%
AC Advics Co.: 1 patents #370 of 686Top 55%
Overall (All Time): #128,283 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDate
12338546 Gallium arsenide single crystal and gallium arsenide single crystal substrate Hidetoshi TAKAYAMA 2025-06-24
11311530 Lewy body disease therapeutic agent containing pyrazoloquinoline derivative Mai Miyamoto 2022-04-26
11024705 Semi-insulating gallium arsenide crystal substrate Shinya Kawamoto, Makoto Kiyama, Katsushi Hashio 2021-06-01
10822722 Gallium arsenide crystal body and gallium arsenide crystal substrate Hiroshi Fukunaga, Katsushi Akita 2020-11-03
10815586 Gallium-arsenide-based compound semiconductor crystal and wafer group Hidetoshi TAKAYAMA, Hirokazu Oota, Shuuichi Kaneko 2020-10-27
10669652 Metal fabric, sheet set, decoration, stationery, container and method of manufacturing container 2020-06-02
10634726 Voltage detecting device and voltage detecting method Kensuke Matsuda, Masahiko Kusaki 2020-04-28
10584431 Metal fabric, interior decoration, partition member, clothing, and electromagnetic shielding member 2020-03-10
10530164 Electric storage apparatus and electric-storage controlling method 2020-01-07
10523020 Electric storage apparatus and electric-storage controlling method 2019-12-31
10320204 Electric storage apparatus and electric-storage controlling method 2019-06-11
10048324 Voltage detecting device and voltage detecting method 2018-08-14
9018260 Indanesulfamide derivatives Yuji Kazuta, Toru Watanabe, Keiichi Sorimachi, Minako Saito, Yoichi Kita +5 more 2015-04-28
8996966 Error correction device and error correction method Teruyuki Matsuoka, Tsuyoshi Ukyou, Fuying Yang, Toshihiko Kitazume 2015-03-31
8924825 Error detecting device and memory system Teruyuki Matsuoka, Tsuyoshi Ukyo, Fuying Yang, Toshihiko Kitazume 2014-12-30
8589756 Semiconductor memory device, semiconductor memory system, and erasure correction method Kenji Sakaue 2013-11-19
8453034 Error detection/correction circuit, memory controller and semiconductor memory apparatus Kenji Sakaue, Tatsuyuki Ishikawa, Kazuhiro Ichikawa, Hironori Uchikawa 2013-05-28
8265087 Gateway apparatus and data transfer control method Kaoru Noumi, Susumu Nishihashi, Tomoyuki Katou, Yasuyuki Umezaki, Hidetaka Ebeshu +3 more 2012-09-11
8122316 Error detector and error detection method Kaoru Noumi, Susumu Nishihashi, Tomoyuki Katou, Yasuyuki Umezaki, Hidetaka Ebeshu +3 more 2012-02-21
8027352 Gateway apparatus and data managing method Kaoru Noumi, Susumu Nishihashi, Tomoyuki Katou, Yasuyuki Umezaki, Hidetaka Ebeshu +3 more 2011-09-27
7801173 Communication message conversion apparatus and communication message conversion method Tsuyoshi Takatori, Kaoru Noumi, Susumu Nishihashi, Tomohide Kasame, Satoshi Fukui +1 more 2010-09-21
7787479 Gateway apparatus and routing method Tomohiro Matsuo, Tsuyoshi Takatori, Kaoru Noumi, Susumu Nishihashi, Tomohide Kasame +6 more 2010-08-31
7530647 Vehicular brake device Takahiro Yamaguchi, Takeshi Fuchida, Shigeki Torii, Takashi Sato, Hidemi Ikai +1 more 2009-05-12
7352320 FM-CW radar Daisuke Enomoto 2008-04-01
7292181 Memory check unit for radar systems and radar system including memory check unit Teruhiko Kamibayashi 2007-11-06