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

Hirokazu Katou — 3 Patents

Panasonic: 2 patents #9,726 of 21,108Top 50%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
Kaisei, JP: #31 of 53 inventorsTop 60%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Hirokazu Katou has been granted 3 US patents while listed as an inventor at Panasonic. The first was granted in 2003 and the most recent in July 2008. Hirokazu Katou ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Hirokazu Katou in Kaisei, JP.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7402165 Hair removing device with a lotion applicator Atsuhiro Saitou, Jyuzaemon Iwasaki, Masakatsu Araki, Hideki Tanaka, Masanobu Yamasaki 2008-07-22 $716,000
6913606 Hair removing device with a lotion applicator Atsuhiro Saitou, Jyuzaemon Iwasaki, Masakatsu Araki, Hideki Tanaka, Masanobu Yamasaki 2005-07-05 $128,000
6572095 Method of and system for conveying sheet to be scanned Katsuaki Muraishi 2003-06-03 $21,000