KH

Katsumi Hasegawa

KC Kai R&D Center Co.: 30 patents #1 of 70Top 2%
TI Toray Industries: 15 patents #93 of 3,690Top 3%
TC Toray Engineering Co.: 2 patents #27 of 169Top 20%
KU Kai U.S.A.: 2 patents #10 of 20Top 50%
SS Sumitomo Wiring Systems: 1 patents #1,603 of 2,615Top 65%
DI Dart Industries: 1 patents #199 of 354Top 60%
VJ Victor Company Of Japan: 1 patents #818 of 1,489Top 55%
📍 Seki, JP: #1 of 94 inventorsTop 2%
Overall (All Time): #43,976 of 4,157,543Top 2%
56
Patents All Time

Issued Patents All Time

Showing 1–25 of 56 patents

Patent #TitleCo-InventorsDate
D1071686 Scissors Akira Abo, Jun Otsuka, Nobuki Hizume 2025-04-22
D1071685 Scissors Akira Abo, Jun Otsuka, Nobuki Hizume 2025-04-22
9390836 Wire harness 2016-07-12
D751365 Scissors 2016-03-15
D750459 Scissors 2016-03-01
D699396 Safety razor 2014-02-11
D690562 Kitchen knife 2013-10-01
D688943 Container closure device 2013-09-03
D678019 Pair of scissors 2013-03-19
D677538 Pair of scissors 2013-03-12
D670029 Safety razor 2012-10-30
D662664 Safety razor 2012-06-26
8045840 Video-audio recording apparatus and method, and video-audio reproducing apparatus and method Hisako Murata, Takuma Suzuki, Sadahiro Yasura, Miki Haneishi, Naoko Aizaki +3 more 2011-10-25
7694423 Fingerhook structure of scissors 2010-04-13
D604131 Opener for a bottle of sparkling wine 2009-11-17
D599635 Corkscrew 2009-09-08
7392587 Handle for scissors 2008-07-01
D547135 Kitchen knife 2007-07-24
D545140 Handle for a knife 2007-06-26
D541123 Scissors 2007-04-24
D537698 Hand sharpener 2007-03-06
D503323 Scissors Akimune Numata 2005-03-29
D502077 Scissors 2005-02-22
D474654 Kitchen utensil handle 2003-05-20
D461104 Knife handle 2002-08-06