HH

Hiroaki Hirazawa

KT Kabushiki Kaisha Toshiba: 5 patents #5,683 of 21,451Top 30%
TS Toshiba Energy Systems & Solutions: 1 patents #268 of 569Top 50%
📍 Ota, JP: #165 of 330 inventorsTop 50%
Overall (All Time): #902,721 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12233432 Coating apparatus and coating method Katsuyuki Naito, Naomi Shida, Kohei Nara, Takahiro Kokubo, Yutaka Saita 2025-02-25
9777382 Electrochemical cell, oxygen reduction device using the cell and refrigerator using the oxygen reduction device Norihiro Yoshinaga, Yoshihiro Akasaka, Katsuyuki Naito, Taishi Fukazawa, Jun Tamura +1 more 2017-10-03
7563524 Fuel cell system Kei Matsuoka, Masato Akita, Yuusuke Sato 2009-07-21
7364811 Fuel Cell Kentaro Tomioka, Kei Matsuoka, Yuusuke Sato, Eiichi Sakaue 2008-04-29
5929452 Electrostatic deflecting electrode unit for use in charged beam lithography apparatus and method of manufacture the same Shusuke Yoshitake, Shigeru Wakayama 1999-07-27