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

Akihito Sudo — 5 Patents

Hitachi: 5 patents #7,560 of 28,497Top 30%
HCHitachi Electronic Devices Co.: 3 patents #25 of 92Top 30%
Mobara, JP: #232 of 731 inventorsTop 35%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Akihito Sudo has been granted 5 US patents while listed as an inventor at Hitachi. The first was granted in 1999 and the most recent in April 2003. Akihito Sudo ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Akihito Sudo in Mobara, JP.

Patents per Year

Patents granted per year, 1999 to 2003Bar chart with a peak of 2 patents in 2002.peak 21999: 1 patents19992000: 1 patents20002002: 2 patents20022003: 1 patents2003

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6541903 Cathode ray tube and method for punched electrode profile with predetermined angular range Ken Kagabu, Takeshi Mera 2003-04-01 $105,000
6476543 Cathode ray tube having an improved electrode assembly Takeshi Mera, Yoshifumi Konishi, Ken Kagabu 2002-11-05 $73,000
6417610 Color cathode ray tube having improved main lens Satoshi Moriwaki, Mitsuhiro Sugiyama 2002-07-09 $326,000
6081068 Color cathode ray tube having improved main lens electrodes Satoshi Moriwaki, Mitsuhiro Sugiyama 2000-06-27 $628,000
5886462 Color cathode ray tube having correction plate electrodes mounted in steps Satoshi Moriwaki, Mitsuhiro Sugiyama 1999-03-23 $330,000