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USPTO Patent Rankings Data through Dec 31, 2025
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Mituo Katou — 2 Patents

Hitachi: 2 patents #13,405 of 28,497Top 50%
Hitachi, JP: #1,578 of 2,929 inventorsTop 55%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Mituo Katou has been granted 2 US patents while listed as an inventor at Hitachi. The first was granted in 1989 and the most recent in July 1995. Mituo Katou ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Mituo Katou in Hitachi, JP.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5431324 Ultrasonic bonding apparatus and quality monitoring method Ryoichi Kajiwara, Kazuya Takahashi, Minoru Maruta, Tokiyuki Seto, Kunihiro Tsubosaki 1995-07-11 $50,000
4809058 Integrated circuit device Takao Funamoto, Ryoichi Kajiwara, Takeshi Matsuzaka, Tomohiko Shida, Hiroshi Wachi +5 more 1989-02-28 $24,000