HK

Haruhiko Kikkawa

HC Hitachi Chemical Company: 5 patents #314 of 1,946Top 20%
HI Hitachi: 3 patents #10,712 of 28,497Top 40%
HG HGST: 1 patents #253 of 483Top 55%
Overall (All Time): #585,187 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
7035055 Magnetic disk apparatus and head-supporting mechanism for the same Yasuo Amano, Shigeo Nakamura, Osamu Narisawa 2006-04-25
6636387 Magnetic disk apparatus and head-supporting mechanism for the same Yasuo Amano, Shigeo Nakamura, Osamu Narisawa 2003-10-21
6319656 Photosensitive polyimide precursor and its use for pattern formation Fumio Kataoka, Issei Takemoto, Jun Tanaka, Keiko Isoda, Shunichiro Uchimura +2 more 2001-11-20
6309791 Polyimide precursor, polyimide and their use Hideo Hagiwara, Yasunori Kojima, Makoto Kaji, Mitsumasa Kojima 2001-10-30
6200831 Surface-protecting film and resin-sealed semiconductor device having said film Jun Tanaka, Fumio Kataoka, Isao Obara, Keiko Isoda 2001-03-13
6143475 Polyimide precursor, polyimide and their use Hideo Hagiwara, Yasunori Kojima, Makoto Kaji, Mitsumasa Kojima 2000-11-07
6087006 Surface-protecting film and resin-sealed semiconductor device having said film Jun Tanaka, Fumio Kataoka, Isao Obara, Keiko Isoda 2000-07-11
6071667 Photosensitive resin composition containing a photosensitive polyamide resin Hideo Hagiwara, Yasunori Kojima, Makoto Kaji, Mitsumasa Kojima 2000-06-06
6025113 Photosensitve polymide precursor and its use for pattern formation Fumio Kataoka, Issei Takemoto, Jun Tanaka, Keiko Isoda, Shunichiro Uchimura +2 more 2000-02-15