HY

Hiroko Yokoyama

KT Kabushiki Kaisha Toshiba: 11 patents #2,779 of 21,451Top 15%
Canon: 3 patents #11,241 of 19,416Top 60%
TL Teijin Limited: 1 patents #850 of 1,631Top 55%
TM Toshiba Consumer Marketing: 1 patents #14 of 45Top 35%
WA Wacker Chemie Ag: 1 patents #641 of 1,324Top 50%
Overall (All Time): #305,239 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
12416881 Image forming apparatus Shuichi Tetsuno, Shinji Katagiri, Koji An, Wataru Takahashi, Shohei Ishio +2 more 2025-09-16
12221725 Method for producing carbon fiber bundle Eiji Kinoshita, Satoshi Ohno, Izuru Taketa 2025-02-11
11846899 Image forming apparatus Shuichi Tetsuno, Shinji Katagiri, Koji An, Wataru Takahashi, Shohei Ishio +2 more 2023-12-19
11460795 Image forming apparatus Keisuke Ishizumi, Shinji Katagiri 2022-10-04
D753103 Tablet computer with gold and white body 2016-04-05
D744481 Tablet computer with gold and white body 2015-12-01
D520193 Washing machine with a clothing drier 2006-05-02
D515054 Portable phone with camera Ryoichi Ishiura, Hiroko Nakano, Taihei Miyaji 2006-02-14
D479235 Portable information terminal Keita Tanaka, Noriaki Baba 2003-09-02
D479215 Portable phone 2003-09-02
D479234 Portable information terminal Keita Tanaka, Noriaki Baba 2003-09-02
D476968 Portable phone 2003-07-08
D468281 Portable radio telephone Hikari Taniguchi 2003-01-07
D454852 Portable radio telephone 2002-03-26
D454332 Electric charger for radio telephones 2002-03-12