Kurita Water Industries Ltd.

Yoshino Gypsum Co., Ltd.

Nippon Paper Industries Co., Ltd.

The Ritsumeikan Trust

Brillnics Japan Inc.

Nissan Motor Company Limited

Masato Yamaguchi

Hiroshi Morita

Shunsuke Okura

Shinichi Miura

Takeshi Fujino

Masayoshi Shirahata

Mitsuru Shiozaki

Takaya Kubota

Isao Joko

Yoshiaki Motozato

Takashi Tomoda

Hidetoshi Suzuki

Takeshi Nakayama

Shinji Sato

Yoshikazu Tanaka

Takeshi Ito

Hirokazu Morii

Masahito Suzuki

Takuji Yamashita

Hideto Murakami

Tsuneo Okuyama

Kenichi Sugano

Koji Okomori

Takahiro Mibe

Satoshi Takaichi

Yusuke Ichino

Tetsuro Yamamoto

Yukio Takai

Masaaki Wakita

Koichi Suto

Saburo Ishii

Chihiro Inoue

Kazuomi Kitsuda

Tomonori Izumi

A cellulose nanofiber with little contaminants and a high transparency is provided. A filtration method of a cellulose nanofiber dispersion including a step of filtering a cellulose nanofiber dispersion under elevated or reduced pressure by at least one of the filtration processes: (A) a filtration process using a filter aid; (B) a filtration process using a filter media selected from the group consisting of a metal porous filter media, an inorganic material porous filter media, and a polymer porous filter media; and (C) a filtration process using both the filter aid and the filter media.

Filtration method and production process of cellulose nanofiber dispersion

Provided is an insolubilizing material for a specific toxic substance useful for insolubilizing a heavy metal or the like conducted by applying the insolubilizing material for a specific toxic substance to soil or on the surface of the soil. The insolubilizing material, for a specific toxic substance, is used in a manner so that soil does not reach a strongly alkaline region of a pH of 11 or more. The insolubilizing material for a specific toxic substance comprises an amorphous aluminum compound or a derivative thereof as a main component. The insolubilizing material functions as a solidifying material. The insolubilizing material also comprises gypsum obtained by adding and mixing, to the gypsum, the amorphous aluminum compound or the derivative thereof in a range from 0.5 to 60 mass parts relative to 100 mass parts of the gypsum. A method for improving soil using the insolubilizing material is also disclosed.

Insolubilizing agent for specific toxic substances, method for insolubilizing specific toxic substances using same, and soil improving method

A solid-state imaging device having a pixel portion in which a plurality of pixels each including a photodiode are arranged in rows and columns, a reading part for reading pixel signals from the pixel portion, and a key generation part which generates a unique key by using, as the key generation-use data, at least one of fluctuation information of pixels and fluctuation information of the reading part, wherein the key generation part includes a tamper resistance enhancement processing part for processing the key generation-use data to enhance the tamper resistance making it difficult to break the unique key as tamper resistance enhancement processing. Due to this, it is possible to generate a unique key having a high confidentiality. Further, it is possible to improve reproducibility and uniqueness of the unique ID, is possible to secure a high tamper resistance of the unique key, and consequently is possible to reliably prevent tampering and forgery of an image.

Solid-state imaging device, method for driving solid-state imaging device, and electronic apparatus for preventing tampering of an image

A solid-state imaging device having a pixel portion in which a plurality of pixels each including a photodiode are arranged in rows and columns, a reading part for reading pixel signals from the pixel portion, and a key generation part which generates a unique key by using, as the key generation-use data, at least one of fluctuation information of pixels and fluctuation information of the reading part, wherein the key generation part includes a tamper resistance enhancement processing part for processing the key generation-use data to enhance the tamper resistance making it difficult to break the unique key as tamper resistance enhancement processing. Due to this, a unique key having a high confidentiality can be generated. Further, reproducibility and uniqueness of the unique ID can be improved to secure a high tamper resistance of the unique key, and tampering and forgery of an image can be reliably prevented.

Solid-state imaging device, method for driving solid-state imaging device, and electronic apparatus

A method for performing selective bacteriostasis of a sulfate-reducing bacterium, the method selectively inhibiting proliferation of the sulfate-reducing bacterium by allowing chelated Al to coexist in an environment where the sulfate-reducing bacterium exists, and a gypsum composition containing calcined gypsum (A) and chelated Al (B), in which the chelated Al (B) is contained in a range of 0.01 to 20 mass parts relative to 100 mass parts of the calcined gypsum (A).

Method for selectively inhibiting sulfate-reducing bacterium, gypsum composition capable of inhibiting proliferation of sulfate-reducing bacterium by said method, gypsum-type solidifying material, and gypsum-type building material

Disclosed is a dry gypsum composition containing hemihydrate gypsum, at least one pigment and a crystal habit modifier. The crystal habit modifier is at least one compound selected from the group consisting of sulfate salts, carboxylate salts, carbonate salts and inorganic chlorides, and a content of the at least one compound is in a range of 0.1 to 5 parts by mass per 100 parts by mass of the hemihydrate gypsum, whereby upon hydration of the hemihydrate gypsum into dihydrate gypsum, the dihydrate gypsum is controlled to become plate crystals having an aspect ratio of 1 to 9. A gypsum-based coating formulation making use of the dry gypsum composition is also disclosed.

Dried gypsum composition and gypsum-based coating

A coated paper for printing comprising a base paper and a coating layer containing a pigment and an adhesive, wherein the coating layer has a volume distribution of 65% or more of pigment particles ranging from 0.4 &#x3bc;m to 4.2 &#x3bc;m in size, and wherein the coated paper has a basis weight of 50 &#x3bc;g/mor less and tensile stiffness ranging between 200 kN/m and 400 kN/m, inclusive.

Coated paper for printing

A brake lining of a vehicular brake device is produced by a friction material which has a characteristic that a friction coefficient of the friction material decreases according to an increase of a sliding speed between the brake lining and a rotational member when the sliding speed is greater than or equal to a predetermined speed during the braking operation, and the friction coefficient is substantially constant when the sliding speed is smaller than the predetermined speed.

Brake lining of brake device

A packing material for capillary electrophoresis comprises capillary electrophoresis in an apparatus having a capillary column, by charging a sample into an end of the capillary column and discharging the sample from the other end of the capillary column, is conducted using a capillary column prepared by packing the column with a packing material comprising glucomannan and then forming a gel in situ from the packed glucomannan. The packing material is packed into the capillary easily and forms a homogeneous gel therein which shows no damage by formation of bubbles and the like and thus can be utilized with stability, has superior health safety and is excellent with respect to biodegradation.

Capillary column packed with glucomannan gel for capillary

The separation material for separating and recovering a blood coagulation factor comprises a porous matrix having linked thereon one or more ligands each consisting of a radical exhibiting an affinity for the blood coagulation factor to be recovered, said matrix having a specific surface area of at least 1.5 m.sup.2 per milliliter of the separation material with respect to pores having diameters of at least 0.1 .mu.m and being derived from a porous particulate material having an exclusion limit molecular weight of at least 1.5.times.1.sup.6 as determined with polyethylene glycol. The separation material is prepared by the process steps of subjecting a porous particulate material having an exclusion limit molecular weight of at least 1.5.times.10.sup.6 to activation by 1,1'-carbonyldiimidazolating, tresylating, carbodiimidizing, thiopropylating, epoxidizing, bromocyanizing or formylating using the corresponding activating agent and reacting the so activated porous particulate material with one or more substances which exhibit after being linked as ligand on the porous particulate material, an affinity to the blood coagulation factor to be covered, so as to form a porous matrix having a specific surface area of at least 1.5 m.sup.2 per milliliter of the porous particulate material with respect to pores having diameters of at least 0.1 .mu.m.

Separation material derived from glucomannan for blood coagulation

A novel ion exchanger useful for universal ion-exchange purposes and, in particular, for ion exchanger for ion-exchange chromatography is proposed, said novel ion exchanger being obtained by introducing radicals of one or more ion-exchangeable groups into cross-linked glucomannan beads by a chemical treatment thereof. Such ion exchanger beads are superior in the compressive strength and permit a high flow rate of the liquid to be subjected to ion exchange through an exchange column packed with them.

Ion exchanger based on cross-linked glucomannan

Growing community of inventors

Tokyo, Japan

Masato Yamaguchi