YK

Yoshiaki Kumazawa

Sumitomo Electric Industries: 9 patents #3,076 of 21,551Top 15%
KP Kabushiki Kaisha Pilot: 2 patents #49 of 160Top 35%
📍 Kasai, JP: #728 of 5,842 inventorsTop 15%
Overall (All Time): #427,868 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
6270898 Tool tip and bonding tool comprising the tool tip and control method for the bonding tool Katsuko Yamamoto, Takahisa Iguchi, Katsuyuki Tanaka, Hiromu Shiomi, Takashi Tsuno +1 more 2001-08-07
6267637 Electron-emitting element, method of making the same, and electronic device Hirohisa Saito, Takashi Tsuno, Hiromu Shiomi, Takahiro Imai 2001-07-31
6184611 Electron-emitting element Hirohisa Saito, Takashi Tsuno, Hiromu Shiomi, Takahiro Imai 2001-02-06
6103389 Thermal transfer recording medium Noriatsu Tanaka 2000-08-15
6103401 Window for an optical use and a process for the production of the same Norio Okada, Shuji Asaka, Tsuneo Urisu, Yoshiyuki Yamamoto, Keiichiro Tanabe 2000-08-15
6096129 Method of and apparatus for producing single-crystalline diamond of large size Hirohisa Saito, Takashi Tsuno, Takahiro Imai 2000-08-01
6007730 Method of manufacturing diamond heat sink Hiromu Shiomi 1999-12-28
5993919 Method of synthesizing diamond Takashi Tsuno, Takahiro Imai, Kentaro Yoshida 1999-11-30
5964976 Thermal-transfer recording medium and thermal transfer recording method Noriatsu Tanaka, Hiroyuki Aimoto 1999-10-12
5079102 Tool using gold as a binder Katsuyuki Tanaka, Nobuo Urakawa 1992-01-07
4859531 Method for bonding a cubic boron nitride sintered compact Kazuwo Tsuji, Hitoshi Sumiya, Nobuo Urakawa, Keiichi Satoh 1989-08-22
4828611 High hardness sintered compact and process for producing the same Tetsuo Nakai, Syuzi Yazu, Keizo Asai 1989-05-09