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

Eiji Fujishige — 6 Patents

DCDaiwa Can: 6 patents #6 of 181Top 4%
Sagamihara, JP: #612 of 2,553 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Eiji Fujishige has been granted 6 US patents while listed as an inventor at Daiwa Can. The first was granted in 2008 and the most recent in September 2025. Eiji Fujishige ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Eiji Fujishige in Sagamihara, JP.

Patents per Year

Patents granted per year, 2008 to 2025Bar chart with a peak of 1 patents in 2008.peak 12008: 1 patents20082021: 1 patents20212022: 1 patents20222023: 1 patents20232024: 1 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12420988 Cap and method for manufacturing cap Eiji Araki, Kenji Takagi 2025-09-23
11964806 Cap Kenji Takagi, Kenji Kawahara, Yukikazu Hiraide, Takashi Kawada 2024-04-23
11834228 Cap Junji Matsumura, Eiji Araki, Kenji Takagi, Keisuke Hashimoto 2023-12-05
11485549 Cap configured to retain sealing member in cap body Junji Matsumura, Eiji Araki, Kenji Takagi, Takashi Kawada 2022-11-01
11034114 Manufacturing method of cap and manufacturing apparatus of cap Junji Matsumura, Eiji Araki, Kenji Takagi, Takashi Kawada 2021-06-15
7354234 Method for manufacturing can body printed to shoulder portion Yasushi Enoki 2008-04-08