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

Sumitomo (Sei) Brake Systems — 17 Patents

Rank (All Time): #33,595 of 105,732Top 35%
18 inventors
17 Patents All Time

Patents per Year

Patents granted per year, 2001 to 2006Bar chart with a peak of 7 patents in 2003.peak 72001: 1 patents20012002: 4 patents20022003: 7 patents20032004: 4 patents20042006: 1 patents2006

Top Inventors at Sumitomo (Sei) Brake Systems All Time

Showing 1–18 of 18 inventors

RankNamePatents
1 Keita Nakano 9
2 Masato Yoshino 5
3 Katsutoshi Nishizaki 2
3 Makoto Nishikimi 2
3 Masaya Segawa 2
3 Shiro Nakano 2
#7 Kazuhiro Kato 1
#7 Kaoru Sugita 1
#7 Koichi Hashida 1
#7 Koichi Okamura 1
#7 Masahide Hamada 1
#7 Masayuki Yasuda 1
#7 Ryouhei Hayama 1
#7 Seiji Takahashi 1
#7 Takanobu Takamatsu 1
#7 Tetsuo Ishikawa 1
#7 Yoshiki Matsuzaki 1
#7 Yoshihiro Tajima 1