HK

Hisanobu Kanamaru

HI Hitachi: 59 patents #175 of 28,497Top 1%
AE Aida Engineering: 15 patents #5 of 163Top 4%
HC Hitachi Automotive Engineering Co.: 6 patents #9 of 314Top 3%
HC Hitachi Powdered Metals Co.: 3 patents #44 of 246Top 20%
ML M.H. Center Limited: 2 patents #2 of 10Top 20%
YK Yoshida Kogyo K.K.: 1 patents #252 of 468Top 55%
HC Hitachi Cable: 1 patents #530 of 1,086Top 50%
HC Hitachi Construction Machinery Co.: 1 patents #701 of 1,234Top 60%
📍 Hitachinaka, JP: #19 of 2,447 inventorsTop 1%
Overall (All Time): #24,564 of 4,157,543Top 1%
77
Patents All Time

Issued Patents All Time

Showing 76–77 of 77 patents

Patent #TitleCo-InventorsDate
4253323 Method for manufacturing high precision slugs Kinshiro Murakami, Atsumu Hakoyama, Masakazu Yamazaki, Yasushi Ouchi, Akira Tohkairin 1981-03-03
4249298 Method for connecting two members Hideo Tatsumi, Moisei Okabe, Akira Tohkairin 1981-02-10