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

Junzo Nagashima — 3 Patents

Dai Nippon Printing Co.: 2 patents #976 of 2,222Top 45%
TSTokyo Kikai Seisakusho: 1 patents #91 of 195Top 50%
Machida, JP: #642 of 1,436 inventorsTop 45%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Junzo Nagashima has been granted 3 US patents while listed as an inventor at Dai Nippon Printing Co.. The first was granted in 1988 and the most recent in June 2001. Junzo Nagashima ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Junzo Nagashima in Machida, JP.

Patents per Year

Patents granted per year, 1988 to 2001Bar chart with a peak of 1 patents in 1988.peak 11988: 1 patents19881999: 1 patents19992001: 1 patents2001

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6251548 Color filter Syunsuke Sega, Toshio Yoshihara, Kyoko Kogo 2001-06-26
6001533 Composition for forming non-conductive light-shielding layer, and non-conductive light-shielding layer containing same Syunsuke Sega, Toshio Yoshihara, Kyoko Kogo 1999-12-14
4772003 Apparatus for stacking signatures or the like Yosuke Nobuta, Touri Takahashi, Kazuo Yoshida, Masao Yamanaka 1988-09-20