HK

Hajime Kumazawa

Brother Kogyo: 3 patents #1,626 of 2,767Top 60%
KA Kabushiki Kaisha Aichi: 2 patents #5 of 38Top 15%
📍 Ichinomiya, JP: #87 of 372 inventorsTop 25%
Overall (All Time): #866,680 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
D645728 Table hook 2011-09-27
D645729 Table hook 2011-09-27
5121481 Text (word processor) having right end justified variable size display area for information related to input data Ryoichi Sasaki, Toshiyuki Sakai 1992-06-09
D322034 Clock 1991-12-03
4830521 Electronic typewriter with a spelling check function and proper noun recognition Toshiyuki Sakai, Ryoichi Sasaki 1989-05-16
4818130 Character erasable printing apparatus including selective erasing of variable length underline Yuichi Harada 1989-04-04