Inventor

TOKUNAGA KOJI

JP6 patents

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

NEC CORP

2 patents

US5111535AMay 5, 1992

Method and system for switching radio frequency

NEC CORP63 citations93

US7302242B2Nov 27, 2007

Portable phone having recording function for recording call-audio with using the minimum capacity of memory

NEC CORP3 citations59

SHOWA CORP

2 patents

US10203013B2Feb 12, 2019

Shock absorber and damping force generator

SHOWA CORP2 citations66

US10145438B2Dec 4, 2018

Shock absorber

SHOWA CORP3 citations66

TOYO BOSEKI

1 patent

US10029212B2Jul 24, 2018

Hollow-fiber membrane element and membrane module for forward osmosis

TOYO BOSEKI4 citations65

DAINIPPON INK & CHEMICALS

1 patent

US6958366B2Oct 25, 2005

Antifouling coating composition and novel resin

DAINIPPON INK & CHEMICALS6 citations60