P

Inventor

OKA SHOJI

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

NSK LTD

6 patents
US6270418B1Aug 7, 2001

Elastic shaft joint

NSK LTD24 citations91
US6530599B1Mar 11, 2003

Shock absorbing type steering shaft

NSK LTD19 citations83
US6151982ANov 28, 2000

Steering apparatus for a car

NSK LTD7 citations73
US6123481ASep 26, 2000

Elastic shaft joint

NSK LTD11 citations73
US6105456AAug 22, 2000

Steering intermediate shaft

NSK LTD9 citations73
US6565446B2May 20, 2003

Elastic shaft joint

NSK LTD9 citations72

NIPPON PAINT CO LTD

4 patents
US4180417ADec 25, 1979

Phosphating of metallic substrate

NIPPON PAINT CO LTD9 citations70
US4053328AOct 11, 1977

Zinc phosphate coating process

NIPPON PAINT CO LTD12 citations70
US3996072ADec 7, 1976

Phosphate coating process and control of the phosphate coating solution

NIPPON PAINT CO LTD6 citations62
US4113519ASep 12, 1978

Phosphating of metallic substrate with electrolytic reduction of nitrate ions

NIPPON PAINT CO LTD5 citations59

MITSUBISHI PAPER MILLS LTD

1 patent
US3930869AJan 6, 1976

Photographic silver halide photosensitive materials

MITSUBISHI PAPER MILLS LTD1 citations47

OKA SHOJI

1 patent
US8531850B2Sep 10, 2013

Capacitor circuit and power conversion circuit including a resonant frequency adjustment element

OKA SHOJI0 citations40