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

Shicoh Engineering Co. — 28 Patents

Rank (All Time): #21,361 of 105,732Top 25%
26 inventors
28 Patents All Time

Patents per Year

Patents granted per year, 1987 to 2010Bar chart with a peak of 7 patents in 1988.peak 71987: 2 patents19871988: 7 patents1989: 4 patents19891990: 3 patents1991: 2 patents19911993: 1 patents1998: 1 patents19982000: 1 patents2003: 1 patents20032006: 1 patents2007: 1 patents20072008: 1 patents2009: 1 patents20092010: 2 patents2010

Top Inventors at Shicoh Engineering Co. All Time

Showing 1–26 of 26 inventors

RankNamePatents
1 Manabu Shiraki 25
2 Osami Miyao 14
3 Naoki Sekiguchi 4
#4 Junichi Tada 3
#5 Masayuki Ohsaka 2
#5 Morimasa Yoshie 2
#5 Norimitsu Hirano 2
#8 Daishi Yamaguchi 1
#8 Hidetoshi Nishimura 1
#8 Kazuhito Egami 1
#8 Katsuitsu Nishida 1
#8 Katsu Okubo 1
#8 Kazuo Suzuki 1
#8 Kikuo Shimazu 1
#8 Makoto Fujii 1
#8 Masayuki Fujiwara 1
#8 Masataka Ogawa 1
#8 Noriyuki Washio 1
#8 Satoshi Asakawa 1
#8 Shoji Fujisawa 1
#8 Shunji Kawashima 1
#8 Soota Komiya 1
#8 Sumio Ishii 1
#8 Tohru Shigeta 1
#8 Yasunobu Hiratsuka 1
#8 Yoshinori Tanida 1

Most Valuable Patents

PatentEst. ValueYear
Linear direct current motor$70K1993

All 100 most valuable US patents →