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

Jun Nagano — 7 Patents

Bridgestone: 4 patents #601 of 2,860Top 25%
TCThk Co.: 2 patents #151 of 450Top 35%
BLBridgestone Tire Company Limited: 1 patents #196 of 438Top 45%
Higashimurayama, JP: #84 of 385 inventorsTop 25%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Jun Nagano has been granted 7 US patents while listed as an inventor at Bridgestone. The first was granted in 1985 and the most recent in March 2005. Jun Nagano ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Jun Nagano in Higashimurayama, JP.

Patents per Year

Patents granted per year, 1985 to 2005Bar chart with a peak of 1 patents in 1985.peak 11985: 1 patents19851987: 1 patents19871992: 1 patents19921993: 1 patents19931994: 1 patents19942004: 1 patents20042005: 1 patents2005

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6869212 Rotor/stator type homogenizer Masakazu Uesugi, Masahiro Tsunofuri, Shotaro Mizobuchi 2005-03-22
6726215 Dynamic pressure seal device and rotary joint device using the same Masakazu Uesugi, Masahiro Tsunofuri, Shotaro Mizobuchi 2004-04-27
5327353 Method of detecting state of cutting rubber sheet having parallel cords embedded therein 1994-07-05
5175930 Method and apparatus for attaching belt-shaped member to forming drum Koji Okuyama, Takashi Ishiwatari 1993-01-05
5111722 Belt-shaped member supplying method and apparatus Shigeru Tada, Yoshihiro Fukamachi 1992-05-12
4642686 System for measuring amount of rubber bank between rolls Shuichi Tanaka 1987-02-10
4549453 Apparatus for cutting out an edge portion of a coating sheet Susumu Yazaki 1985-10-29