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

Yamauchi — 51 Patents

Rank (All Time): #12,486 of 105,732Top 15%
35 inventors
51 Patents All Time

Patents per Year

Patents granted per year, 1992 to 2023Bar chart with a peak of 5 patents in 2006.peak 51992: 1 patents19921993: 1 patents1996: 1 patents1998: 2 patents19981999: 2 patents2000: 1 patents2001: 1 patents20012002: 3 patents2003: 1 patents2004: 1 patents20042005: 1 patents2006: 5 patents2007: 2 patents20072008: 3 patents2009: 4 patents2010: 2 patents20102011: 1 patents2012: 2 patents2013: 3 patents20132014: 2 patents2016: 1 patents2018: 1 patents20182019: 2 patents2020: 1 patents2021: 2 patents20212022: 1 patents2023: 4 patents2023

Top Inventors at Yamauchi All Time

Showing 1–35 of 35 inventors

RankNamePatents
1 Atsuo Watanabe 15
2 Akira Yoshida 13
2 Takahisa Hikida 13
#4 Kenjiro Nakayama 7
#5 Atsushi Watanabe 5
#5 Tatsuyuki Abe 5
#5 Takamitsu Ozeki 5
#8 Tetsuya Murakami 4
#9 Atsuo Tanaka 3
#9 Hiroyuki Maruko 3
#9 Toshio Saito 3
#12 Hiroshi Ohyama 2
#12 Hiroyuki Yamazaki 2
#12 Hiroyuki Yasukawa 2
#12 Keiji Nakagawa 2
#12 Shunsuke Kato 2
#12 Shuhei KOUNO 2
#12 Takahisa Hikita 2
#12 Yukiharu Uemura 2
#20 Akitoshi Tahara 1
#20 Atsushi Kato 1
#20 Eiichi Hattori 1
#20 Hitoshi Hamada 1
#20 Hiroshi Kuramochi 1
#20 Hiroya Shimazaki 1
#20 Hiroyuki Yamasaki 1
#20 Isao Origuchi 1
#20 Kazuhiro Katsuhara 1
#20 Mitsuaki Hirose 1
#20 Mitsuru Tsunokawa 1
#20 Ryo Ogawa 1
#20 Shigeo Hoshino 1
#20 Toshifumi Togashi 1
#20 Yoshinobu Nakamura 1
#20 Yoshiaki Tokunaga 1