P

Inventor

KONDO MITSURU

JP69 patents
⚠️ This page may combine multiple inventors who share the name “KONDO MITSURU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KANZAKI PAPER MFG CO LTD

21 patents
US4226912AOct 7, 1980

Heat-sensitive recording material

KANZAKI PAPER MFG CO LTD35 citations93
US4580153AApr 1, 1986

Record material

KANZAKI PAPER MFG CO LTD8 citations74
US4803193AFeb 7, 1989

Heat-sensitive recording material using chromeno compound

KANZAKI PAPER MFG CO LTD10 citations73
US4704379ANov 3, 1987

Pressure sensitive manifold sheet

KANZAKI PAPER MFG CO LTD12 citations73
US4641160AFeb 3, 1987

Recording system utilizing phthalide derivatives as colorless chromogenic material

KANZAKI PAPER MFG CO LTD9 citations73
US4536220AAug 20, 1985

Fluoran derivatives as new compounds and recording system utilizing the same as colorless chromogenic material

KANZAKI PAPER MFG CO LTD14 citations73
US4323700AApr 6, 1982

Process for preparing benzophenone derivatives

KANZAKI PAPER MFG CO LTD10 citations73
US4828957AMay 9, 1989

Two-color heat-sensitive recording material with 2-hydroxy-3-naphthoanilide as both coupler and color developing agent

KANZAKI PAPER MFG CO LTD10 citations72
US4730057AMar 8, 1988

Phthalide derivatives useful as colorless chromogenic material

KANZAKI PAPER MFG CO LTD8 citations72
US4658276AApr 14, 1987

Phthalide derivatives and recording system utilizing the same

KANZAKI PAPER MFG CO LTD10 citations72
US4524373AJun 18, 1985

Fluoran derivatives as new compounds, process for preparing the same and recording system utilizing the same as colorless chromogenic material

KANZAKI PAPER MFG CO LTD14 citations72
US4629800ADec 16, 1986

Fluoran compounds

KANZAKI PAPER MFG CO LTD9 citations71
US4228031AOct 14, 1980

Method of making impermeable microcapsules

KANZAKI PAPER MFG CO LTD6 citations63
US3970671AJul 20, 1976

Chromogenic compounds and method for preparation thereof

KANZAKI PAPER MFG CO LTD2 citations63
US4770973ASep 13, 1988

Heat-sensitive diazo recording material with diphenyl alkene coupler

KANZAKI PAPER MFG CO LTD6 citations62
US4443614AApr 17, 1984

Triarylmethane derivatives

KANZAKI PAPER MFG CO LTD2 citations62
US4349454ASep 14, 1982

Preparation of aqueous medium suitable for preparing microcapsules

KANZAKI PAPER MFG CO LTD5 citations62
US5096872AMar 17, 1992

Recording material

KANZAKI PAPER MFG CO LTD2 citations61
US4612557ASep 16, 1986

Hydroxydiphenyl sulfone derivative and heat-sensitive recording material using the derivative

KANZAKI PAPER MFG CO LTD3 citations61
US4731353AMar 15, 1988

Heat-sensitive recording material

KANZAKI PAPER MFG CO LTD4 citations60
US4729984AMar 8, 1988

Heat sensitive recording sheets containing sulfone derivatives

KANZAKI PAPER MFG CO LTD2 citations59

RICOH KK

11 patents

MITSUBISHI HEAVY IND LTD

6 patents

KONDO MITSURU

3 patents

NGK SPARK PLUG CO

2 patents

KAWAGUCHI KOICHIRO

1 patent

KIOXIA CORP

1 patent

CANON KK

1 patent

KAWAZOE KENJI

1 patent

ANDO ELECTRIC

1 patent

OZAWA TETSUYA

1 patent

TSURUTANI KAZUSHI

1 patent

Showing the top 50 of 69 patents by PatentIndex Score.