HA

Hiroaki Arai

HZ Hitachi Zosen: 4 patents #4 of 38Top 15%
SO Sony: 1 patents #734 of 2,234Top 35%
Overall (2002): #9,576 of 266,432Top 4%
5
Patents 2002

Issued Patents 2002

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6431074 Blasting apparatus, blasting method and retainer member used for the blasting method Hidehiko Maehata, Tetsuya Inoue, Daisuke Tamakoshi, Tsuyoshi Kato 2002-08-13
6426474 Method and apparatus for separating plastic Hidehiko Maehata, Tetsuya Inoue, Masanori Tsukahara, Daisuke Tamakoshi, Kenichi Nagai 2002-07-30
6408761 Blasting apparatus Hidehiko Maehata, Hajime Yoshii, Toshiaki Enomoto, Taisuke Ishihara 2002-06-25
6389973 Blasting apparatus and blasting method Hidehiko Maehata, Daisuke Tamakoshi 2002-05-21
6349397 Signal processing apparatus having non-volatile memory and programming method of the non-volatile memory Kiyokazu Koga 2002-02-19