Kazuo Ishida

Mitsubishi Electric: 19 patents #1,108 of 25,717Top 5%

HC Hitachi Construction Machinery Co.: 10 patents #125 of 1,234Top 15%

HM Hitachi Maxell: 4 patents #247 of 1,211Top 25%

KO Konica: 3 patents #771 of 1,958Top 40%

KO Konica Minolta Opto: 3 patents #126 of 418Top 35%

KC Kansai Electric Power Co.: 2 patents #104 of 506Top 25%

KM Konica Minolta: 2 patents #1,382 of 2,718Top 55%

NI Nec Solution Innovators: 2 patents #37 of 178Top 25%

Ricoh Company: 2 patents #5,693 of 9,818Top 60%

Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%

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

NC Nippon Nyukazai Co.: 1 patents #12 of 31Top 40%

KC Kcm: 1 patents #35 of 84Top 45%

HC Hitachi Cable: 1 patents #530 of 1,086Top 50%

NU National University Corporation Kagawa University: 1 patents #102 of 277Top 40%

📍 Ryugasaki, JP: #4 of 114 inventorsTop 4%

Overall (All Time): #51,908 of 4,157,543Top 2%

Patents All Time

Issued Patents All Time

Showing 51–51 of 51 patents

Patent #	Title	Co-Inventors	Date
D282655	Telephone answering machine	Noriaki Kaku, Haruzi Nakamura, Yasuhiko Tanaka	1986-02-18