YO

Yoshio Okayama

SC Sanyo Electric Co.: 27 patents #92 of 6,347Top 2%
PA Panasonic: 20 patents #998 of 21,108Top 5%
OU Osaka University: 6 patents #92 of 1,984Top 5%
NE Nec: 2 patents #5,510 of 14,502Top 40%
FL Fujitsu Microelectronics Limited: 2 patents #92 of 624Top 15%
KT Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
KC Kanto Sanyo Semiconductor Co.: 1 patents #29 of 51Top 60%
ON onsemi: 1 patents #1,116 of 1,901Top 60%
📍 Osaka, MA: #1 of 13 inventorsTop 8%
Overall (All Time): #53,715 of 4,157,543Top 2%
50
Patents All Time

Issued Patents All Time

Showing 1–25 of 50 patents

Patent #TitleCo-InventorsDate
12282199 Light emitting device, manufacturing method therefor, and waveguide structure Takehiro Asahi, Naoya Ryoki, Yukio Nishikawa 2025-04-22
12049710 Group-III nitride substrate Yusuke Mori, Masashi Yoshimura, Masayuki Imanishi, Akira KITAMOTO, Junichi TAKINO +1 more 2024-07-30
11795573 Method of manufacturing group III nitride crystal by reacting an oxidizing gas containing nitrogen with a group III element droplet and growing a group III nitride crystal on a seed substrate Yusuke Mori, Masashi Yoshimura, Masayuki Imanishi, Akira KITAMOTO, Junichi TAKINO +1 more 2023-10-24
11713516 Group III nitride crystal, group III nitride substrate, and method of manufacturing group III nitride crystal Yusuke Mori, Masashi Yoshimura, Masayuki Imanishi, Akira KITAMOTO, Tomoaki Sumi +1 more 2023-08-01
11713517 Group-III nitride substrate Yusuke Mori, Masashi Yoshimura, Masayuki Imanishi, Akira KITAMOTO, Junichi TAKINO +1 more 2023-08-01
11624128 Group III nitride crystal, group III nitride substrate, and method of manufacturing group III nitride crystal Yusuke Mori, Masashi Yoshimura, Masayuki Imanishi, Akira KITAMOTO, Tomoaki Sumi +1 more 2023-04-11
11396716 Group-III nitride substrate containing carbon at a surface region thereof Yusuke Mori, Masashi Yoshimura, Masayuki Imanishi, Akira KITAMOTO, Junichi TAKINO +1 more 2022-07-26
11377757 Method for producing group III nitride crystal and seed substrate Shinsuke Komatsu, Masahiro Tada, Yusuke Mori, Masayuki Imanishi, Masashi Yoshimura 2022-07-05
11370076 RAMO4 substrate and manufacturing method thereof Yoshifumi Takasu, Akihiko Ishibashi, Isao Tashiro, Akio Ueta, Masaki Nobuoka +1 more 2022-06-28
11248310 Group III nitride substrate and method for producing group III nitride crystal 2022-02-15
11220759 Method of manufacturing a group III-nitride crystal comprising a nucleation step, a pyramid growth step, a lateral growth step, and a flat thick film growth step Yusuke Mori, Masayuki Imanishi, Masashi Yoshimura, Kousuke Murakami, Shinsuke Komatsu +1 more 2022-01-11
11056389 Method of manufacture of group III nitride semiconductor Ayako Iwasawa, Takatoshi Okamoto 2021-07-06
10927476 Production method for group III nitride crystal Yusuke Mori, Masayuki Imanishi, Masashi Yoshimura, Kousuke Murakami 2021-02-23
10350725 RAMO4 substrate and manufacturing method thereof Yoshifumi Takasu, Akihiko Ishibashi, Isao Tashiro, Akio Ueta, Masaki Nobuoka +1 more 2019-07-16
10304740 RAMO4 monocrystalline substrate Shinsuke Komatsu, Masaki Nobuoka 2019-05-28
10246796 RAMO4 substrate Isao Tashiro, Hidenao Kataoka, Nobuyuki Yokoyama, Yoshifumi Takasu 2019-04-02
10202710 Process for producing group III nitride crystal and apparatus for producing group III nitride crystal Yusuke Mori, Masashi Yoshimura, Mamoru Imade, Masashi ISEMURA 2019-02-12
10059590 Method for producing group III nitride crystal Yusuke Mori, Mamoru Imade, Tomio Yamashita, Ryo Kuwabara 2018-08-28
9439285 Device mounting board and semiconductor power module Keishi Kato, Osamu Tabata, Ryosuke Usui 2016-09-06
9325257 Power semiconductor device to reduce voltage variation between terminals 2016-04-26
9165898 Method of manufacturing semiconductor device with through hole Kojiro Kameyama, Akira Suzuki, Mitsuo Umemoto 2015-10-20
8497163 Method for manufacturing a circuit device Koichi Saito, Yasuyuki Yanase 2013-07-30
8471289 Semiconductor laser device, optical pickup device and semiconductor device Yasunori Inoue, Takenori Goto, Kazushi Mori, Yuuki Ota, Naoteru Matsubara 2013-06-25
8438724 Method for producing substrate for mounting device and method for producing a semiconductor module Kouichi Saitou, Yoh Takano, Mayumi Nakasato 2013-05-14
8362611 Semiconductor module, method for manufacturing semiconductor module, and portable device Yasuyuki Yanase, Ryosuke Usui 2013-01-29