P

Inventor

SAKAI KAZUAKI

JP12 patents
⚠️ This page may combine multiple inventors who share the name “SAKAI KAZUAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KAWASAKI KASEI CHEMICALS

3 patents
US4481073ANov 6, 1984

Process for removing anthraquinone type scale

KAWASAKI KASEI CHEMICALS4 citations57
US4561935ADec 31, 1985

Process for removing anthraquinone type scale

KAWASAKI KASEI CHEMICALS0 citations46
US4257851AMar 24, 1981

Purification of naphthoquinone

KAWASAKI KASEI CHEMICALS0 citations45

NEC CORP

2 patents
US5717762AFeb 10, 1998

WACS-type mobile communication with a unified frame format

NEC CORP25 citations92
US5959971ASep 28, 1999

Protection switching system for cellular control signals

NEC CORP16 citations72

NICHIA CORP

2 patents
US12501755B2Dec 16, 2025

Light-emitting device, light source device, and method for manufacturing light-emitting device

NICHIA CORP0 citations50
US12396302B2Aug 19, 2025

Light-emitting device

NICHIA CORP0 citations44

SUMITOMO ELECTRIC INDUSTRIES

1 patent
US5815621ASep 29, 1998

Optical fiber connector ferrule with die and method of manufacturing same

SUMITOMO ELECTRIC INDUSTRIES134 citations97

HONDA MOTOR CO LTD

1 patent
US5381724AJan 17, 1995

Swash-plate, plunger-type hydraul pressure apparatus

HONDA MOTOR CO LTD13 citations73

JUJO PAPER CO LTD

1 patent
US6585880B1Jul 1, 2003

Method for recovering chemicals in a process of producing pulp by kraft process

JUJO PAPER CO LTD3 citations61

YANAGIMOTO KAZUSHI

1 patent
US6991522B2Jan 31, 2006

Method of manufacturing asymmetric gear, asymmetric gear, non-circular and asymmetric gear, gear mechanism, and barrel finishing machine

YANAGIMOTO KAZUSHI8 citations60

MITSUBISHI MATERIALS CORP

1 patent
US12264407B2Apr 1, 2025

Cu—Ni—Si based copper alloy plate, Cu—Ni—Si based copper alloy plate with plating film, and methods of producing the same

MITSUBISHI MATERIALS CORP0 citations59