KW

Kenichi Watanabe

HI Hitachi: 3 patents #156 of 2,942Top 6%
Sumitomo Electric Industries: 2 patents #217 of 2,038Top 15%
NC Nippon Shokubai Co.: 1 patents #17 of 88Top 20%
📍 Yokohama, JP: #14 of 177 inventorsTop 8%
Overall (1997): #2,502 of 185,788Top 2%
6
Patents 1997

Issued Patents 1997

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5683178 Apparatus for producing high viscosity materials and method of producing the same Hidekazu Nakamoto, Chikao Oda, Norio Nakazato, Morihisa Maruko, Kazuo Ihara +2 more 1997-11-04
5674956 Method for producing high viscosity materials Hidekazu Nakamoto, Chikao Oda, Norio Nakazato, Morihisa Maruko, Kazuo Ihara +2 more 1997-10-07
5672411 Insulating boards and method of manufacturing the same Keizo Harada, Shosaku Yamanaka 1997-09-30
5663480 Synthesis of aromatic carbonates by transesterification using a catalyst comprising a microporous material and a group IV metal Hideaki Tsuneki, Masaru Kirishiki, Yoshiyuki Onda 1997-09-02
5640669 Process for preparing metallic porous body, electrode substrate for battery and process for preparing the same Keizo Harada, Masayuki Ishii, Shosaku Yamanaka 1997-06-17
5610481 Cathode ray tube with low dynamic correction voltage Shoji Shirai 1997-03-11