ST

Sadao Tsuruga

MA Maxell: 22 patents #24 of 437Top 6%
HI Hitachi: 13 patents #3,142 of 28,497Top 15%
HM Hitachi Maxell: 5 patents #189 of 1,211Top 20%
HC Hitachi Consumer Electronics Co.: 2 patents #119 of 447Top 30%
Overall (All Time): #71,339 of 4,157,543Top 2%
42
Patents All Time

Issued Patents All Time

Showing 25 most recent of 42 patents

Patent #TitleCo-InventorsDate
12372789 Display terminal, application control system and application control method Yasunobu Hashimoto, Ikuya Arai, Kazuhiko YOSHIZAWA, Hiroshi Shimizu, Osamu Kawamae 2025-07-29
12347334 Road guidance system and mobile information terminal used in same Tamotsu Ito, Yasunobu Hashimoto, Kazuhiko YOSHIZAWA 2025-07-01
12306917 Information processing apparatus, user authentication network system, and user authentication method Yasunobu Hashimoto, Kazuhiko YOSHIZAWA, Yoshinori Okada 2025-05-20
12284326 Reception device, display control method, transmission device, and transmission method for program content type Satoshi Otsuka 2025-04-22
12249338 Information processing device and digital assistant system Yasunobu Hashimoto 2025-03-11
12192564 Digital contents receiver, digital contents receiving method and digital contents transmitting and receiving method Satoshi Otsuka 2025-01-07
12163806 Information processing apparatus Naohisa TAKAMIZAWA, Yasunobu Hashimoto, Yoshinori Okada 2024-12-10
12039223 Head-mountable information processing apparatus Yasunobu Hashimoto, Kazuhiko YOSHIZAWA, Yoshinori Okada 2024-07-16
12032164 Head-mount display and head-mount display system that display virtual space information on a display Yasunobu Hashimoto, Kazuhiko YOSHIZAWA, Yoshinori Okada 2024-07-09
11985291 Reception device, display control method, transmission device, and transmission method for program content type Satoshi Otsuka 2024-05-14
11947757 Personal digital assistant Kazuhiko YOSHIZAWA, Yasunobu Hashimoto, Susumu Yoshida 2024-04-02
11831945 Digital contents receiver, digital contents receiving method and digital contents transmitting and receiving method Satoshi Otsuka 2023-11-28
11810567 Speech recognition device, speech-recognition-device coordination system, and speech-recognition-device coordination method Yasunobu Hashimoto, Ikuya Arai, Satoru Takashimizu, Kazuhiko YOSHIZAWA, Hiroshi Shimizu +1 more 2023-11-07
11733039 Information processing apparatus Naohisa TAKAMIZAWA, Yasunobu Hashimoto, Yoshinori Okada 2023-08-22
11659152 Reception device, display control method, transmission device, and transmission method for program content type Satoshi Otsuka 2023-05-23
11438567 Reception device, display control method, transmission device, and transmission method for program content type Satoshi Otsuka 2022-09-06
11363326 Digital contents receiver, digital contents receiving method and digital contents transmitting and receiving method Satoshi Otsuka 2022-06-14
11301087 Personal digital assistant Kazuhiko YOSHIZAWA, Yasunobu Hashimoto, Susumu Yoshida 2022-04-12
10972783 Digital contents receiver, digital contents receiving method and digital contents transmitting and receiving method Satoshi Otsuka 2021-04-06
10917624 Reception device, display control method, transmission device, and transmission method for program content type Satoshi Otsuka 2021-02-09
10516912 Digital contents receiver, digital contents receiving method and digital contents transmitting and receiving method Satoshi Otsuka 2019-12-24
10200743 Digital contents receiver, digital contents receiving method and digital contents transmitting and receiving method Satoshi Otsuka 2019-02-05
9749675 Digital contents receiver, digital contents receiving method and digital contents transmitting and receiving method Satoshi Otsuka 2017-08-29
9420272 Digital contents receiver, digital contents receiving method and digital contents transmitting and receiving method Satoshi Otsuka 2016-08-16
9118896 Digital contents receiver, digital contents receiving method and digital contents transmitting and receiving method Satoshi Otsuka 2015-08-25