P

Inventor

WATANABE TSUTOMU

JP178 patents
⚠️ This page may combine multiple inventors who share the name “WATANABE TSUTOMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SONY CORP

9 patents

SUMITOMO ELECTRIC INDUSTRIES

9 patents

FUJI PHOTO FILM CO LTD

5 patents

KONAMI CORP

4 patents

SUMITOMO BAKELITE CO

3 patents

TOSHIBA KK

3 patents

FUJIKURA LTD

2 patents

NIPPON KOKAN KK

2 patents

SHINTO PAINT CO LTD

1 patent

CANON KK

1 patent

TOSHIBA LIGHTING & TECHNOLOGY

1 patent

MABUCHI MOTOR CO

1 patent

SECOM CO LTD

1 patent

YAMAHA CORP

1 patent

FUJIFILM CORP

1 patent

RICOH KK

1 patent

ASEC CO LTD

1 patent

WATANABE TSUTOMU

1 patent

KOBE STEEL LTD

1 patent

SEIKISUI CHEMICAL CO LTD

1 patent

SUMIDA CORP

1 patent

Showing the top 50 of 178 patents by PatentIndex Score.