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

Masuo Oku — 53 Patents

Hitachi: 32 patents #817 of 28,497Top 3%
MAMaxell: 17 patents #32 of 437Top 8%
HAHitachi America: 6 patents #13 of 97Top 15%
HCHitachi Ulsi Systems Co.: 6 patents #125 of 867Top 15%
HSHitachi Industry & Control Solutions: 1 patents #26 of 84Top 35%
HIHitachi Video Engineering, Incorporated: 1 patents #69 of 181Top 40%
Kyoto, JP: #203 of 11,909 inventorsTop 2%
Overall (All Time): #48,528 of 4,157,543Top 2%
53 Patents All Time
Masuo Oku has been granted 53 US patents while listed as an inventor at Hitachi. The first was granted in 1985 and the most recent in December 2025. Masuo Oku ranks #48,528 of 4,157,543 US inventors in our database (top 1.2%). Patent records list Masuo Oku in Kyoto, JP.

Issued Patents All Time

Showing 1–25 of 53 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12513277 Head mounted display Mayumi Nakade, Yasunobu Hashimoto 2025-12-30
12423929 Augmented reality display device and augmented reality display method Osamu Kawamae 2025-09-23
12413700 Image display apparatus and image display system Tomonori HIRABAYASHI, Mayumi Nakade, Osamu Kawamae, Hiroshi Nakamori 2025-09-09
12387442 Mixed reality display device and mixed reality display method Osamu Kawamae 2025-08-12
12327319 Virtual reality sharing method and system Osamu Kawamae 2025-06-10
12321524 Head-mounted display Mayumi Nakade, Yasunobu Hashimoto 2025-06-03
12307553 Remote operation instructing system, and mount type device Osamu Kawamae 2025-05-20
12294814 Watching monitoring device and watching monitoring method Koji Kaniwa 2025-05-06
12235444 Linked display system and head-mounted display Megumi KURACHI, Hirokazu Ishii, Osamu Kawamae, Yasunobu Hashimoto, Kazuhiko YOSHIZAWA 2025-02-25
12081910 Information device and camera image sharing system Kazuhiko YOSHIZAWA, Yasunobu Hashimoto 2024-09-03
12072284 Terahertz wave detection device, terahertz wave detection method, and terahertz wave detection system Osamu Kawamae, Yukinobu Tanaka, Misako Kono, Nobuhiro Shiramizu, Manabu Katsuki +1 more 2024-08-27
12033286 Augmented reality display device and augmented reality display method Osamu Kawamae 2024-07-09
11989838 Mixed reality display device and mixed reality display method Osamu Kawamae 2024-05-21
11915339 Remote operation instructing system, and mount type device Osamu Kawamae 2024-02-27
11852811 Linked display system and head-mounted display Megumi KURACHI, Hirokazu Ishii, Osamu Kawamae, Yasunobu Hashimoto, Kazuhiko YOSHIZAWA 2023-12-26
11668650 Terahertz wave detection device, terahertz wave detection method, and terahertz wave detection system Osamu Kawamae, Yukinobu Tanaka, Misako Kono, Nobuhiro Shiramizu, Manabu Katsuki +1 more 2023-06-06
11508134 Augmented reality display device and augmented reality display method Osamu Kawamae 2022-11-22
11346776 Terahertz wave detection device, terahertz wave detection method, and terahertz wave detection system Osamu Kawamae, Yukinobu Tanaka, Misako Kono, Nobuhiro Shiramizu, Manabu Katsuki +1 more 2022-05-31
9270951 Camera system, monitoring camera control terminal, and protocol changing method Hirotaka Moribe, Minoru Koizumi, Tomoichi Ebata, Nagamasa Mizushima 2016-02-23
8823817 Camera management device and network camera system Takeshi Asahi, Nagamasa Mizushima, Nobuhiro Yokoi 2014-09-02
7643089 Decoder device and receiver using the same Hironori Komi, Keisuke Inata, Ryosuke Toya, Kenji Katsumata, Shigeru Komatsu +4 more 2010-01-05 $61,000
7375761 Receiver having motion picture data decoder Hironori Komi, Keisuke Inata, Ryosuke Toya, Kenji Katsumata, Shigeru Komatsu +4 more 2008-05-20 $196,000
6947660 Motion picture recording/reproduction apparatus Hideo Arai, Yikitoshi Tsuboi, Takashi Nishimura, Eiichi Tanaka, Akira Motosu 2005-09-20 $82,000
6807191 Decoder for compressed and multiplexed video and audio data Yukio Fujii 2004-10-19 $265,000
6710817 Decoder device and receiver using the same Hironori Komi, Keisuke Inata, Ryosuke Toya, Kenji Katsumata, Shigeru Komatsu +4 more 2004-03-23 $269,000