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

Kankyou Engineering Co. — 11 Patents

Rank (All Time): #49,505 of 105,732Top 50%
19 inventors
11 Patents All Time

Patents per Year

Patents granted per year, 2002 to 2013Bar chart with a peak of 3 patents in 2008.peak 32002: 2 patents20022004: 1 patents20042006: 1 patents20062007: 1 patents20072008: 3 patents20082010: 1 patents20102011: 1 patents20112013: 1 patents2013

Top Inventors at Kankyou Engineering Co. All Time

Showing 1–19 of 19 inventors

RankNamePatents
1 Shinya Kurata 10
1 Takahiro Kanagawa 10
3 Kazutaka Yamada 8
3 Ryuichiro Kurane 8
3 Toyokazu Yokomaku 8
3 Yoichi Kamagata 8
#7 Kenta Furusho 6
#7 Osamu Koyama 6
#9 Kazunori Nakamura 2
#9 Masaki Torimura 2
#11 Hidenori Tani 1
#11 Kyoko Takatsu 1
#11 Naohiro Noda 1
#11 Satoshi Tsuneda 1
#11 Seiichi Watanabe 1
#11 Shigeo Yatsu 1
#11 Tadahiko Mizuno 1
#11 Tamaki Shibayama 1
#11 Yu Toriyabe 1