Inventor

UEDA KAZUMASA

JP11 patents

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

SUMITOMO CHEMICAL CO

6 patents

US5804513ASep 8, 1998

Abrasive composition and use of the same

SUMITOMO CHEMICAL CO113 citations97

US5697992ADec 16, 1997

Abrasive particle, method for producing the same, and method of use of the same

SUMITOMO CHEMICAL CO65 citations95

US7645625B2Jan 12, 2010

Method for fine processing of substrate, method for fabrication of substrate, and light emitting device

SUMITOMO CHEMICAL CO27 citations92

US7811839B2Oct 12, 2010

KOHIRO KENJI

2 patents

US8169004B2May 1, 2012

Compound semiconductor epitaxial substrate and process for producing the same

KOHIRO KENJI7 citations81

US8906158B2Dec 9, 2014

Method for producing compound semiconductor epitaxial substrate having PN junction

KOHIRO KENJI0 citations49

YAMANAKA SADANORI

2 patents

US8097887B2Jan 17, 2012

Light emitting device having a monotone decreasing function

YAMANAKA SADANORI2 citations60

US8691674B2Apr 8, 2014

Method for producing group 3-5 nitride semiconductor and method for producing light-emitting device

YAMANAKA SADANORI0 citations39

KASAHARA KENJI

1 patent

US8097891B2Jan 17, 2012

Group III nitride semiconductor light emitting device and method for producing the same

KASAHARA KENJI4 citations62