HH

Hirofumi Hasegawa

MI Minolta: 28 patents #47 of 1,109Top 5%
MC Minolta Co.: 2 patents #718 of 1,416Top 55%
Yamaha Motor: 2 patents #855 of 2,310Top 40%
LI Lexmark International: 1 patents #1,041 of 1,615Top 65%
📍 Toyokawa, JP: #20 of 656 inventorsTop 4%
Overall (All Time): #108,889 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 26–33 of 33 patents

Patent #TitleCo-InventorsDate
4965870 Image forming apparatus with use of a laser beam Naoto Ohmori, Yukio Yamada, Narutaka Yoshida 1990-10-23
4945390 Image-forming apparatus Hiroaki Kojima, Yasuhiro Matsuura, Naoto Ohmori, Yukio Yamada 1990-07-31
4924269 Original illuminating apparatus 1990-05-08
4922087 Image reader capable of calculating the real focal length of a projecting lens Akio Nakajima 1990-05-01
4916480 Image forming apparatus with use of a laser beam Naoto Ohmori, Yukio Yamada, Narutaka Yoshida 1990-04-10
4870294 Image scanning apparatus with expanded magnification capability 1989-09-26
4837846 Method of the image processing Masaaki Oyabu, Masamichi Sugiura, Munehiro Nakatani 1989-06-06
4751376 Image reader with focus and magnification detection control Masamichi Sugiura, Akio Nakajima 1988-06-14