Iwao Seo

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Ibaraki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Organic nonlinear optical materials derived from vinylidene cyanide...
- Patent number 5,194,511
- Issue date Mar 16, 1993
- Mitsubishi Petrochemical Co., Ltd.
- Iwao Seo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Vinylidene cyanide-vinyl benzoate derivative nonlinear optical poly...
- Patent number 5,149,580
- Issue date Sep 22, 1992
- Mitsubishi Petrochemical Co., Ltd.
- Manabu Kishimoto
- G02 - OPTICS
Information Patent Grant
Vinylidene cyanide copolymer
- Patent number 5,061,768
- Issue date Oct 29, 1991
- Mitsubishi Petrochemical Co., Inc.
- Manabu Kishimoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Piezoelectric or pyroelectric material
- Patent number 4,990,584
- Issue date Feb 5, 1991
- Mitsubishi Petrochemical Co., Ltd.
- Manabu Kishimoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Optical material
- Patent number 4,985,179
- Issue date Jan 15, 1991
- Mitsubishi Petrochemical Co., Ltd.
- Iwao Seo
- G02 - OPTICS
Information Patent Grant
Process for producing perovskite-type oxides of the ABO.sub.3 type
- Patent number 4,874,598
- Issue date Oct 17, 1989
- Mitsubishi Petrochemical Co., Ltd.
- Kyoko Oda
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of manufacturing an ultrasonic transducer
- Patent number 4,783,888
- Issue date Nov 15, 1988
- Terumo Kabushiki Kaisha
- Tadashi Fujii
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Ultrasonic transducer and method of manufacturing same
- Patent number 4,704,774
- Issue date Nov 10, 1987
- Terumo Kabushiki Kaisha
- Tadashi Fujii
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Piezoelectric ultrasonic transducer with flexible electrodes adhere...
- Patent number 4,701,659
- Issue date Oct 20, 1987
- Terumo Corp.
- Tadashi Fujii
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Method of producing polymeric electret element
- Patent number 4,591,465
- Issue date May 27, 1986
- Mitsubishi Petrochemical Co., Ltd.
- Seizo Miyata
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Biological piezoelectric transducer device for the living body
- Patent number 4,443,730
- Issue date Apr 17, 1984
- Mitsubishi Petrochemical Co., Ltd.
- Mitsuaki Kitamura
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Apparatus for vibrating the ulna in vivo
- Patent number 4,416,269
- Issue date Nov 22, 1983
- Teikoku Hormone Mfg. Co. Ltd.
- Shogo Enomoto
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method of producing pyro-electric and piezo-electric elements
- Patent number 4,302,408
- Issue date Nov 24, 1981
- Mitsubishi Petrochemical Co., Ltd.
- Shoji Ichihara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Catheter head-type transducer
- Patent number 4,191,193
- Issue date Mar 4, 1980
- Mitsubishi Petrochemical Co. Ltd.
- Iwao Seo
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Piezo-electric material
- Patent number 4,128,489
- Issue date Dec 5, 1978
- Mitsubishi Petrochemical Company Limited
- Iwao Seo
- H01 - BASIC ELECTRIC ELEMENTS

Person

Patents Grantslast 30 patents

Organic nonlinear optical materials derived from vinylidene cyanide...

Vinylidene cyanide-vinyl benzoate derivative nonlinear optical poly...

Vinylidene cyanide copolymer

Piezoelectric or pyroelectric material

Optical material

Process for producing perovskite-type oxides of the ABO.sub.3 type

Method of manufacturing an ultrasonic transducer

Ultrasonic transducer and method of manufacturing same

Piezoelectric ultrasonic transducer with flexible electrodes adhere...

Method of producing polymeric electret element

Biological piezoelectric transducer device for the living body

Apparatus for vibrating the ulna in vivo

Method of producing pyro-electric and piezo-electric elements

Catheter head-type transducer

Piezo-electric material