Inventor

YANAGISAWA MASAHIRO

JP81 patents

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

YANAGISAWA MASAHIRO

NEC CORP

Magnetic disc apparatus and magnetic head in which a recording/reproduction element is mounted on a slider via a piezoelectric element

Magnetic recording medium having a perfluoropolyether lubricant bonded to the surface of a carbon protective film

Magnetic disk drive having small clearance between magnetic disk and surface opposing thereto

Magnetic head supporting mechanism

Magnetic memory device having a perfluro-polyether film coated on an inner surface of its housing for entrapping dust

Data storage apparatus with head displacement sensor

Magnetic recording medium

Apparatus for determining microhardness

Magnetic storage medium with lubricating coating

Low wear rate magnetic head slider with high recording density

Magnetic disc drive system with liquid film lubricating agent

Contact magnetic disk apparatus

Magnetic storage member

Magnetic disk drive in which change in distance between magnetic head and disk is minimized

Magnetic recording disk having a lubicant reservoir on the inner circumferential surface

Method of manufacturing a magnetic storage medium

NIPPON TELEGRAPH & TELEPHONE

Optical module

Packaging platform, optical module using the platform, and methods for producing the platform and the module

Opto-electronic hybrid integration platform, optical sub-module, opto-electronic hybrid integration circuit, and process for fabricating platform

Opto-electronic hybrid integration platform, optical sub-module, opto-electronic hybrid integration circuit and process for fabricating platform

Wave transmission medium and waveguide circuit

Planar lightwave circuit, design method for wave propagation circuit, and computer program

NIPPON ELECTRIC CO

Magnetic record member and process for manufacturing the same

Magnetic record member

Magnetic record member

Process of manufacturing a magnetic record member

Magnetic record member and process for manufacturing the same

Process for manufacturing a protective polysilicate layer of a record member by a laser beam and a magnetic record member suitably manufactured thereby

RICOH CO LTD

Electrophoretic dispersion solution, image display medium using the same, and image display device using the same

Electrochromic display device, fabrication method therefor, and driving method therefor

Electrophoretic particle, electrophoretic particle dispersion liquid, image display medium, and image display device

RICOH KK

Silicone-oil soluble polymer, image display medium using the silicone-oil soluble polymer and image display device using the image display medium

Electrophoretic composition, image display medium using same and image display device

Image display medium and image display device using the image display medium

SANDEN CORP

Porting member with a universal coupling mechanism

Receiver dryer header portion for an automobile air conditioning apparatus

Receiver dryer with improved sealing structure

YAMANOUCHI PHARMA CO LTD

Tablets quickly disintegrating in the oral cavity and process for producing the same

Rapidly disintegrable pharmaceutical composition

TDK CORP

Magnetic disc apparatus production method

Magnetic disc apparatus and magnetic head in which a recording/reproduction element is mounted on a slider via a piezoelectric element

(unassigned)

Opto-electronic hybrid integration platform, optical sub-module, opto-electronic hybrid integration circuit, and process for fabricating platform

NISSIN KOGYO KK

Pitch-reinforced carbon fiber brake disc and pyrolytic carbon/resin-reinforced carbon fiber friction pads

KAWASHIMA IKUE

Electrophoretic liquid and display device using electrophoretic liquid

ISHIKAWA TAKANORI

Optical waveguide device and module

NTT ELECTRONICS CORP

Optical waveguide device and module

NAIJO YOSHIHISA

Electrochromic display apparatus and method of manufacturing the same

ASTELLAS PHARMA INC

Rapidly disintegrable pharmaceutical composition

SOMA SHUNICHI

Waveguide device and module

HITACHI LTD

Optical waveguide, method of making the same and integrated optical device