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

P & Pf Co. — 12 Patents

Rank (All Time): #46,346 of 105,732Top 45%
17 inventors
12 Patents All Time

Patents per Year

Patents granted per year, 2000 to 2016Bar chart with a peak of 4 patents in 2014.peak 42000: 1 patents20002003: 1 patents20032007: 1 patents20072010: 1 patents20102014: 4 patents20142015: 2 patents20152016: 2 patents2016

Top Inventors at P & Pf Co. All Time

Showing 1–17 of 17 inventors

RankNamePatents
1 Tetsuo Nishina 12
2 Yoshinobu Saito 11
3 Tomoko Toda 7
#4 Takahiro Okuda 6
#4 Uhei Tamura 6
#6 Takahito Makita 5
#7 Shogo Nagura 3
#8 Daiji Nagahama 2
#8 Nobuyuki Kishi 2
#10 Kazuo Iwai 1
#10 Katsuhito Kita 1
#10 Masahito Tanaka 1
#10 Natsue Hirano 1
#10 Saori Kajita 1
#10 Shinya Yamasaki 1
#10 Shinya Yamazaki 1
#10 Yumiko Takeda 1