CK

Chiaki Kumahara

RT Renesas Technology: 6 patents #492 of 3,337Top 15%
RE Renesas Electronics: 2 patents #1,855 of 4,529Top 45%
HC Hitachi Ulsi Systems Co.: 1 patents #577 of 867Top 70%
Overall (All Time): #634,122 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
10670478 Temperature measurement circuit and method, and microcomputer unit Tetsuhiro Koyama, Masaaki Hirano 2020-06-02
10222272 Semiconductor device and electronic apparatus Akira Tsurugasaki 2019-03-05
7296097 Memory card and initialization setting method thereof to avoid initializing operation failure in a memory card Motoki Kanamori, Shigeo Kurakata, Hidefumi Odate, Atsushi Shikata 2007-11-13
7286435 Memory card device having low consumed power in the consumed power state Hidefumi Odate, Atsushi Shikata 2007-10-23
7269748 System for preventing errors upon ejection of a memory card from a slot Shinichi Shuto, Takayuki Tamura 2007-09-11
7161834 Memory card and data processing system Atsushi Shikata, Yasuhiro Nakamura, Hideo Kasai, Hidefumi Odate 2007-01-09
7070113 Nonvolatile memory card Atsushi Shiraishi, Takayuki Tamura, Shinsuke Asari 2006-07-04
6982919 Memory card and data processing system Atsushi Shikata, Yasuhiro Nakamura, Hideo Kasai, Hidefumi Odate 2006-01-03