Keiichi Ishida

Keiichi Ishida

MC Murata Manufacturing Co.: 7 patents #1,107 of 5,295Top 25%

Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%

Aisin Seiki Kabushiki Kaisha: 4 patents #844 of 3,782Top 25%

FC Fuji Electric Co.: 4 patents #580 of 2,643Top 25%

TC Toshiba Carrier: 3 patents #14 of 163Top 9%

PA Panasonic: 2 patents #9,678 of 21,108Top 50%

TO Toyota: 1 patents #15,335 of 26,838Top 60%

Casio Computer Co.: 1 patents #1,284 of 1,970Top 70%

HI Hitachi: 1 patents #17,742 of 28,497Top 65%

KK Kanto Jidosha Kogyo Kabushiki Kaisha: 1 patents #18 of 53Top 35%

NT NTT: 1 patents #2,911 of 4,871Top 60%

AK Aisen Seiki Kabushiki Kaisha: 1 patents #2 of 43Top 5%

Overall (All Time): #133,251 of 4,157,543Top 4%

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #	Title	Co-Inventors	Date
4436812	Process of calibrating a blood sugar analyzing apparatus	Koichi Endoh, Nobuhiko Tsuji, Keijiroh Nakamura, Toshiyoshi Hamada	1984-03-13
4420564	Blood sugar analyzer having fixed enzyme membrane sensor	Nobuhiko Tsuji, Keijiroh Nakamura, Koichi Endoh, Toshiyoshi Hamada	1983-12-13
4407959	Blood sugar analyzing apparatus	Nobuhiko Tsuji, Keijiroh Nakamura, Koichi Endoh, Toshiyoshi Hamada	1983-10-04