Inventor

IKUTA MASANORI

JP7 patents

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

KYOWA YUKA KK

2 patents

US6372871B1Apr 16, 2002

Dithiocarbonate composition

KYOWA YUKA KK14 citations80

US6160044ADec 12, 2000

Compositions containing dithiocarbonate compound

KYOWA YUKA KK7 citations70

KYOWA HAKKO KOGYO KK

2 patents

US6599605B2Jul 29, 2003

Squarylium compounds and optical recording media using the same

KYOWA HAKKO KOGYO KK9 citations72

US6596364B2Jul 22, 2003

Squarylium compounds and optical recording medium containing the same

KYOWA HAKKO KOGYO KK10 citations72

KYOWA HAKKO CHEMICAL CO LTD

2 patents

US7368224B2May 6, 2008

Photopolymerizable composition

KYOWA HAKKO CHEMICAL CO LTD3 citations60

US7242542B2Jul 10, 2007

Filters of electronic displays

KYOWA HAKKO CHEMICAL CO LTD2 citations59

RICOH KK

1 patent

US6558768B2May 6, 2003

Optical recording medium and optical recording and reading method using the same

RICOH KK28 citations92