HN

Hiroaki Nasu

Ngk Spark Plug Co.: 20 patents #62 of 1,594Top 4%
SE Seiko Epson: 9 patents #2,012 of 7,774Top 30%
HI Hitachi: 4 patents #10,712 of 28,497Top 40%
NU National University Corporation Okayama University: 1 patents #90 of 315Top 30%
Overall (All Time): #106,713 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 26–33 of 33 patents

Patent #TitleCo-InventorsDate
6437493 Glow plug and spark plug, and manufacturing method therefor Wataru Matsutani, Chiaki Kumada, Katsunari Ninomiya 2002-08-20
6411550 Semiconductor integrated-circuit device 2002-06-25
6388924 Semiconductor integrated device and electronic apparatus mounted with the device 2002-05-14
6236148 Spark plug with specific metal shell coating Wataru Matsutani, Chiaki Kumada, Katsunari Ninomiya 2001-05-22
6121719 Spark plug having a multi-layered electrode Wataru Matsutani 2000-09-19
6088262 Semiconductor device and electronic equipment having a non-volatile memory with a security function 2000-07-11
5548696 Image processing apparatus Shinji Kubota 1996-08-20
5309560 Data selection device Sachiyuki Abe, Hisao Sato, Yasuaki Hagiwara 1994-05-03