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

Shiroki — 212 Patents

Rank (All Time): #3,638 of 105,917Top 4%
172 inventors
212 Patents All Time

Patents per Year

Patents granted per year, 1990 to 2023Bar chart with a peak of 29 patents in 2015.peak 291990: 3 patents19901991: 1 patents1992: 1 patents19921994: 1 patents2005: 1 patents20052006: 3 patents2008: 3 patents20082011: 2 patents2012: 7 patents20122013: 13 patents2014: 16 patents20142015: 29 patents2016: 25 patents20162017: 19 patents2018: 20 patents20182019: 24 patents2020: 15 patents20202021: 20 patents2022: 7 patents20222023: 2 patents2023

Top Inventors at Shiroki All Time

Showing 1–50 of 172 inventors

RankNamePatents
1 Hidehiko Fujioka 16
2 Kenji Yamamoto 15
2 Naoki Hayashi 15
#4 Noriaki Maeda 13
#5 Atsushi Muramatsu 9
#5 Jun Makita 9
#5 Kazutaka Sasaki 9
#5 Kimihiro Kinoshita 9
#5 Nobumasa Higashi 9
#10 Hiroyuki Suzuki 8
#10 Jiro Yoshihara 8
#10 Kenichi Suzuki 8
#13 Akihiro Kimura 7
#13 Hiroaki Yamazaki 7
#13 Kazuya Yokoyama 7
#13 Kenji Shimizu 7
#13 Shigenobu Ohsawa 7
#13 Tomohiro Enokijima 7
#19 Koji Ito 6
#19 Kunihiro Mikasa 6
#19 Youetsu Nagasaka 6
#22 Atsuo Noda 5
#22 Katsuhisa Fukui 5
#22 Takayuki Okada 5
#25 Eiichiro Tsuji 4
#25 Hirohito Aoi 4
#25 Junya Kurita 4
#25 Kazuyoshi Yokota 4
#25 Koji Kumagai 4
#25 Norihisa Nozue 4
#25 Noriyuki Sakurai 4
#25 Takanori Sato 4
#25 Takuji Yamazaki 4
#25 Yoshiki Sugita 4
#35 Hidekazu Kitou 3
#35 Hiroshi Koga 3
#35 Hiromitsu Suzuki 3
#35 Jun Kimura 3
#35 Kazuki NATSUME 3
#35 Kazuyuki Takagi 3
#35 Makoto Yamada 3
#35 Natsuki Ito 3
#35 Noriyuki Zaiki 3
#35 Takayasu Bito 3
#35 Takuya Nishio 3
#35 Takayuki Sakurai 3
#35 Toru Ikoma 3
#35 Toshiaki Nagata 3
#35 Yoichi Takada 3
#35 Yuki Abe 3

Most Valuable Patents

PatentEst. ValueYear
Seat$1M2011
End cap and molding$1M2013
Wire type window regulator$1M2012
Conveyance seat$1M2016
Vehicle seat$1M2016

All 100 most valuable US patents →