P

Inventor

HAYASHIDA AKIRA

JP51 patents
⚠️ This page may combine multiple inventors who share the name “HAYASHIDA AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHINETSU CHEMICAL CO

39 patents
US4849196AJul 18, 1989

Process for producing silicon carbide whiskers

SHINETSU CHEMICAL CO57 citations94
US5599892AFeb 4, 1997

Preparation of polysilanes

SHINETSU CHEMICAL CO21 citations93
US4948763AAug 14, 1990

Preparation of hollow ceramic fibers

SHINETSU CHEMICAL CO23 citations93
US4869854ASep 26, 1989

Process for manufacturing organic silazane polymers and ceramics therefrom

SHINETSU CHEMICAL CO29 citations93
US4981666AJan 1, 1991

Method for the preparation of silicon carbide whiskers

SHINETSU CHEMICAL CO33 citations92
US4657991AApr 14, 1987

Precursor composition of silicon carbide

SHINETSU CHEMICAL CO25 citations92
US4604367AAug 5, 1986

Method for the preparation of an inorganic fiber containing silicon, carbon, boron and nitrogen

SHINETSU CHEMICAL CO37 citations92
US4571331AFeb 18, 1986

Ultrafine powder of silicon carbide, a method for the preparation thereof and a sintered body therefrom

SHINETSU CHEMICAL CO38 citations89
US6143409ANov 7, 2000

Polycarbodiimide resin-containing adhesive and flexible printed circuit board

SHINETSU CHEMICAL CO17 citations83
US4550151AOct 29, 1985

Organoborosilicon polymer and a method for the preparation thereof

SHINETSU CHEMICAL CO23 citations82
US4847345AJul 11, 1989

Process for manufacturing organic silazane polymers and ceramics therefrom

SHINETSU CHEMICAL CO22 citations81
US4771118ASep 13, 1988

Process for manufacturing organic silazane polymers and process for manufacturing ceramics from the polymers

SHINETSU CHEMICAL CO20 citations81
US4958040ASep 18, 1990

Process for the preparation of diorganohalogenosilanes

SHINETSU CHEMICAL CO11 citations74
US5916675AJun 29, 1999

Polycarbodiimide resin-containing adhesive and flexible printed circuit board

SHINETSU CHEMICAL CO15 citations73
US5821325AOct 13, 1998

Polycarbodiimide derivatives and method for preparing the same

SHINETSU CHEMICAL CO7 citations73
US5750636AMay 12, 1998

Process for the preparation of a high-molecular-weight polycarbodiimide solution

SHINETSU CHEMICAL CO8 citations73
US4762810AAug 9, 1988

Method for the preparation of a sintered body of silicon carbide

SHINETSU CHEMICAL CO16 citations73
US4870035ASep 26, 1989

Process for manufacturing organic silazane polymers and process for manufacturing ceramics from the polymers

SHINETSU CHEMICAL CO7 citations72
US5011639AApr 30, 1991

Method for the preparation of a sintered body of silicon carbide

SHINETSU CHEMICAL CO12 citations71
US4975392ADec 4, 1990

Method for manufacturing silicon carbide whisker

SHINETSU CHEMICAL CO13 citations71
US5804257ASep 8, 1998

Polysilane compositions

SHINETSU CHEMICAL CO6 citations63
US5580912ADec 3, 1996

Polysilane compositions

SHINETSU CHEMICAL CO2 citations63
US5296418AMar 22, 1994

Method for manufacturing a hafnium-containing silazane polymer and a method for manufacturing a ceramic from said polymer

SHINETSU CHEMICAL CO4 citations63
US5237033AAug 17, 1993

Preparation of polysilanes

SHINETSU CHEMICAL CO6 citations63
US5210058AMay 11, 1993

Method for preparing organic silazane polymers and method for preparing ceramics from the polymers

SHINETSU CHEMICAL CO3 citations63
US5200371AApr 6, 1993

Method for preparing organic silazane polymers and method for preparing ceramics from the polymers

SHINETSU CHEMICAL CO3 citations63
US5162477ANov 10, 1992

Preparation of polyorganosilanes

SHINETSU CHEMICAL CO5 citations63
US5128430AJul 7, 1992

Preparation of polysilanes

SHINETSU CHEMICAL CO3 citations63
US5075474ADec 24, 1991

Method for preparing hexamethyl cyclotrisilazane

SHINETSU CHEMICAL CO5 citations63
US5041515AAug 20, 1991

Methods for preparing polytitanocarbosilazane polymers and ceramics therefrom

SHINETSU CHEMICAL CO6 citations63
US4246178AJan 20, 1981

Tetrahydropyran-5-one compounds

SHINETSU CHEMICAL CO2 citations63
US5837801ANov 17, 1998

Method for preparing crosslinked polycarbodiimides

SHINETSU CHEMICAL CO4 citations62
US5770661AJun 23, 1998

Polycarbodiimide derivative and process for producing the same

SHINETSU CHEMICAL CO3 citations62
US5750637AMay 12, 1998

Process for the preparation of a polycarbodiimide solution

SHINETSU CHEMICAL CO4 citations62
US5145813ASep 8, 1992

Process for manufacturing organic silazane polymers and ceramics therefrom

SHINETSU CHEMICAL CO2 citations59
US5183875AFeb 2, 1993

Method for manufacturing a hafnium-containing silazane polymer and a method for manufacturing a ceramic from said polymer

SHINETSU CHEMICAL CO0 citations52
US5157096AOct 20, 1992

Method and apparatus for preparing organic silazane polymer and method for preparing inorganic fibers

SHINETSU CHEMICAL CO0 citations52
US5008348AApr 16, 1991

Infusibilization of organic silazane polymers

SHINETSU CHEMICAL CO1 citations52
US5097055AMar 17, 1992

Production of methylphenyltrisiloxane

SHINETSU CHEMICAL CO0 citations49

UENO MASAAKI

3 patents

HITACHI INT ELECTRIC INC

3 patents

HAYASHIDA AKIRA

3 patents

FUJITSU LTD

1 patent

YAMAZAKI KEISHIN

1 patent

Showing the top 50 of 51 patents by PatentIndex Score.