Takayoshi Shimizu

SO Sony: 10 patents #4,411 of 25,231Top 20%

Ricoh Company: 5 patents #3,664 of 9,818Top 40%

DT Daido Tokushuko: 4 patents #31 of 382Top 9%

TS Toshiba Lifestyle Products & Services: 3 patents #16 of 81Top 20%

NE Nec: 1 patents #7,889 of 14,502Top 55%

Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%

DE Denso: 1 patents #6,940 of 11,792Top 60%

SA Sato: 1 patents #114 of 223Top 55%

Nichia: 1 patents #1,005 of 1,531Top 70%

Overall (All Time): #149,173 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–26 of 26 patents

Patent #	Title	Co-Inventors	Date
4227923	Plastic molding steel having improved resistance to corrosion by halogen gas	Toshiyuki Watanabe, Hisao Kamiya, Noriyoshi Shibata	1980-10-14