HU

Harutoshi Ukegawa

Sumitomo Electric Industries: 8 patents #3,473 of 21,551Top 20%
📍 Itami, JP: #379 of 1,436 inventorsTop 30%
Overall (All Time): #662,638 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
6696103 Aluminium nitride ceramics and method for preparing the same Kouhei Shimoda, Kazuya Kamitake, Hirohiko Nakata, Kazutaka Sasaki, Masuhiro Natsuhara 2004-02-24
6017172 Ceramic insert for use with clamp type cutting tool Matsuo Higuchi, Shingo Hirota, Nobuyuki Kitagawa 2000-01-25
5955148 Aluminium nitride ceramics and method for preparing the same Kouhei Shimoda, Kazuya Kamitake, Hirohiko Nakata, Kazutaka Sasaki, Masuhiro Natsuhara 1999-09-21
5738820 Sintered silicon nitride-based body and process for producing the same Matsuo Higuchi 1998-04-14
5677052 Aluminum nitride ceramics and method for preparing the same Kouhei Shimoda, Kazuya Kamitake, Hirohiko Nakata, Kazutaka Sasaki, Masuhiro Natsuhara 1997-10-14
5631200 Sintered silicon nitride-based body Matsuo Higuchi 1997-05-20
5602720 Mounting structure for semiconductor device having low thermal resistance Masuhiro Natsuhara 1997-02-11
5516269 Zirconia vane for rotary compressors Takao Nishioka, Akira Yamakawa, Matsuo Higuchi 1996-05-14