P

Inventor

WATANABE TSUYOSHI

JP197 patents
⚠️ This page may combine multiple inventors who share the name “WATANABE TSUYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DSM NV

8 patents

CANON KK

8 patents

HITACHI LTD

5 patents

MENICON CO LTD

5 patents

HOYA CORP

4 patents

PIONEER ELECTRONIC CORP

3 patents

SUMITOMO CHEMICAL CO

3 patents

ENPLAS CORP

2 patents

NIHON PLAST CO LTD

2 patents

KOWA CO

1 patent

SEIKO EPSON CORP

1 patent

BABCOCK HITACHI KK

1 patent

MAZDA MOTOR

1 patent

SUMITMO CHEMICAL COMPANY LTD

1 patent

SANYO ELECTRIC CO

1 patent

KOKUYO KK

1 patent

(unassigned)

1 patent

WATANABE TSUYOSHI

1 patent

BABA MASAKI

1 patent

Showing the top 50 of 197 patents by PatentIndex Score.