KI

Kazuhiko Ishimaru

MC Minolta Co.: 39 patents #4 of 1,416Top 1%
PA Panasonic: 33 patents #440 of 21,108Top 3%
KO Konica Minolta Opto: 2 patents #169 of 418Top 45%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
📍 Kishiwada, JP: #1 of 108 inventorsTop 1%
Overall (All Time): #25,124 of 4,157,543Top 1%
76
Patents All Time

Issued Patents All Time

Showing 51–75 of 76 patents

Patent #TitleCo-InventorsDate
6645888 Glass composition for crystallized glass Hideki Nagata, Hiroshi Yuki, Toshiharu Mori, Hideki Kawai 2003-11-11
6642162 Glass composition for crystallized glass Hideki Nagata, Hiroshi Yuki, Toshiharu Mori, Hideki Kawai 2003-11-04
6642161 Glass composition for crystallized glass Hideki Nagata, Hiroshi Yuki, Toshiharu Mori, Hideki Kawai 2003-11-04
6635591 Glass composition for crystallized glass Hideki Nagata, Hiroshi Yuki, Toshiharu Mori, Hideki Kawai 2003-10-21
6628320 Communication device having an image transmission function Hiromu Mukai, Hitoshi Hagimori, Minoru Kuwana, Tsutomu Honda, Hideki Nagata 2003-09-30
6627567 Glass-ceramic composition for recording disk substrate Hideki Nagata, Toshiharu Mori, Hiroshi Yuki, Hideki Kawai, Akira Sugimoto 2003-09-30
6624101 Glass-ceramic composition for recording disk substrate Hideki Nagata, Toshiharu Mori, Hiroshi Yuki, Hideki Kawai, Akira Sugimoto 2003-09-23
6610620 Glass-ceramic composition for recording disk substrate Hideki Nagata, Toshiharu Mori, Hiroshi Yuki, Hideki Kawai, Akira Sugimoto 2003-08-26
6596659 Glass-ceramic composition for recording disk substrate Hideki Nagata, Toshiharu Mori, Hiroshi Yuki, Hideki Kawai, Akira Sugimoto 2003-07-22
6593259 Glass-ceramic composition for recording disk substrate Hideki Nagata, Toshiharu Mori, Hiroshi Yuki, Hideki Kawai, Akira Sugimoto 2003-07-15
6593257 Glass-ceramic composition for recording disk substrate Hideki Nagata, Hideki Kawai, Toshiharu Mori, Hiroshi Yuki 2003-07-15
6583078 Glass-ceramic composition for recording disk substrate Hideki Nagata, Toshiharu Mori, Hiroshi Yuki, Hideki Kawai, Akira Sugimoto 2003-06-24
6583077 Glass-ceramic composition for recording disk substrate Hideki Nagata, Toshiharu Mori, Hiroshi Yuki, Hideki Kawai, Akira Sugimoto 2003-06-24
6573206 Glass-ceramic composition for recording disk substrate Hideki Nagata, Toshiharu Mori, Hiroshi Yuki, Hideki Kawai, Akira Sugimoto 2003-06-03
6569791 Glass-ceramic composition for recording disk substrate Hideki Nagata, Toshiharu Mori, Hiroshi Yuki, Hideki Kawai, Akira Sugimoto 2003-05-27
6569790 Glass-ceramic composition for recording disk substrate Hideki Nagata, Toshiharu Mori, Hiroshi Yuki, Hideki Kawai, Akira Sugimoto 2003-05-27
6524982 Glass-ceramic composition for recording disk substrate Hideki Nagata, Hideki Kawai, Toshiharu Mori, Hiroshi Yuki 2003-02-25
6514890 Glass-ceramic composition for recording disk substrate Hideki Nagata, Hideki Kawai, Toshiharu Mori, Hiroshi Yuki 2003-02-04
6458728 Glass-ceramic composition for recording disk substrate Hideki Nagata, Hideki Kawai, Toshiharu Mori, Hiroshi Yuki 2002-10-01
6458729 Glass-ceramic composition for recording disk substrate Hideki Nagata, Toshiharu Mori, Hiroshi Yuki, Hideki Kawai, Akira Sugimoto 2002-10-01
6458730 Glass-ceramic composition for recording disk substrate Hideki Nagata, Toshiharu Mori, Hiroshi Yuki, Hideki Kawai, Akira Sugimoto 2002-10-01
6215603 Lens holding structure in a lens block forming all or part of an optical system and method of assembling the lens block Tetsuo Kohno, Masashi Isono, Tomoo Doi, Hiromu Mukai 2001-04-10
6191895 Zoom lens system Tetsuya Arimoto, Mamoru Terada, Takashi Okada, Kenji Konno, Tetsuo Kohno 2001-02-20
6185049 Zoom lens system Mamoru Terada, Takashi Okada, Yasushi Yamamoto 2001-02-06
6118592 Zoom lens system Tetsuo Kohno, Kenji Konno, Mamoru Terada, Tetsuya Arimoto, Takashi Okada 2000-09-12