Inventor

SAKAMOTO SHIGERU

JP111 patents

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

SAKAMOTO SHIGERU

NIPPON CATALYTIC CHEM IND

Surface-crosslinking process for water-absorbent resin

Absorbent composite, method for production thereof, and absorbent article

Surface crosslinking treatment method of water-absorbing resin powder

Water-absorbent resin and production process therefor

Water-absorbing agent and production process therefor, and sanitary material

Water-swellable crosslinked polymer composition and production

Method of producing a hydrophilic resin

Method of production of water-absorbing resin

Aqueous-liquid-absorbing agent and its production process

Method for production of water-absorbent resin and plow-shaped mixing device

Gel pulverization device, method for manufacturing polyacrylic acid (polyacrylate) superabsorbent polymer powder, and superabsorbent polymer powder

Process for production of hydrogel particles and process for cutting of high-concentration hydrogel sheet

Gel pulverization device, method for manufacturing polyacrylic acid (polyacrylate) superabsorbent polymer powder, and superabsorbent polymer powder

JAPAN DISPLAY INC

Display device

Display device

Display device

Display device and method of manufacturing a display device

Display device

Display device

Display element, display device, and manufacturing method of the display device

Display device

Display device

DAINICHISEIKA COLOR CHEM

Pigment dispersants, pigment dispersions and writing or recording pigment inks

Composition for black matrix, fabrication process of black matrix and article provided with black matrix

Pigment dispersants and their use

Pigment dispersions for color filters, fabrication process of color filters, and color filters

Pigment dispersant, pigment dispersion, and pigment dispersion for color filter

Water swellable resin composition

Fabrication process of color filters, inks, color filters, and image displays using the color filters

TOYOTA MOTOR CO LTD

Braking device

Brake apparatus having an improved brake feel

Portless type master cylinder device with non return valve and restricted passage in parallel between pressure chamber and fluid reservoir

Vehicle performance evaluation test method and apparatus

Vehicle performance evaluation test method and apparatus

Portless type master cylinder device with intake valve and flow resisting means between pressure chamber and reservoir chamber

TOYODA CHUO KENKYUSHO KK

Brake disc rotor

Brake disc rotor

Brake disc rotor

FUJITSU LTD

Logical path establishing method and storage medium

Magnetic disk control unit, and firmware active-interchange method therefor

HAMAMATSU PHOTONICS KK

Noninvasion biological optical measuring instrument, measured portion holding device, and method for manufacturing the same

Microscope and sample observation method

SANYO ELECTRIC CO

Polymer electrolyte fuel cell including a water-retaining layer on a ribbed plate

Polymer electrolyte fuel cell device

TOSHIBA KK

Method of and apparatus for controlling the operation of variable speed gearing

KOWA CO

Ophthalmic treatment apparatus

SAKAMOTO SHIGERU

Polyacrylic water-absorbent resin powder and method for producing the same

AISIN SEIKI

Relief valve of hydraulic devices

TAISEI CORP

Ice making equipment

KANEKA CORP

Solid polymer electrolyte membrane, solid polymer electrolyte fuel cell using the membrane and method of fabricating the same