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

Junichi Miyai — 7 Patents

NCNoritsu Koki Co.: 5 patents #43 of 289Top 15%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
Wakayama, JP: #232 of 1,298 inventorsTop 20%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Junichi Miyai has been granted 7 US patents while listed as an inventor at Noritsu Koki Co.. The first was granted in 1997 and the most recent in March 2024. Junichi Miyai ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Junichi Miyai in Wakayama, JP.

Patents per Year

Patents granted per year, 1997 to 2024Bar chart with a peak of 2 patents in 2000.peak 21997: 1 patents19971998: 1 patents19981999: 1 patents19992000: 2 patents20002023: 1 patents20232024: 1 patents2024

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
D1017649 Chiller unit Takuya Ito, Yuji Tarumi, Kazuki Murakawa, Kimitaka KADOWAKI, Yoshio Yamano +1 more 2024-03-12
D998769 Chiller unit Takahiro Akizuki, Katsunori Horiuchi, Yuji Tarumi, Shoichi Hirano, Toru Kuriyama +6 more 2023-09-12
6030131 Photographic film processing apparatus including a film supplying apparatus in film developing system Yasunobu Shimamura, Kazunori Tsumura, Atsuhiko Yamada 2000-02-29
6024503 Photograph developing apparatus Tsukasa Nakano, Tomoya Tanaka, Takafumi Kimura, Yoshifumi Nakamura 2000-02-15
5989792 Photographic film 1999-11-23
5839012 Film splicing device 1998-11-17
5629751 Automatic photographic developing machine Kazunori Tsumura 1997-05-13