Kao Corporation

Yorica Koki Co., Ltd.

Hirose Co., Ltd.

Keizo Takahashi

Hiroshi Ikeda

Tadashi Sakuma

Yoshiyuki Eshita

Zenbei Meiwa

Gen Nakauchi

Mami Murata

Takahiro Hirose

Hisayoshi Oshima

Kunihiro Hyakutake

Provided is a tooth whitener that is excellent in immediate effectivity of a gloss imparting effect on teeth and a tooth whitening effect. The tooth whitener is provided with a composition (A) and a composition (B) in a separate state, and which is to be used by applying the composition (A) and the composition (B) alternately to teeth.

Tooth whitener

A nonwoven fabric for a liner of a floppy disk is characterized by a binder which is applied to the fibers of the nonwoven fabric. The binder comprises (a) an emulsion obtainable from a polymerizable unsaturated monomer having a functional group and other polymerizable unsaturated monomers capable of undergoing copolymerization with said polymerizable unsaturated monomer, and (b) a melamine compound having a methylol group.

Nonwoven fabric for liners of floppy disk and process for producing the

Disclosed is an excavating, sieving and grading device for a working crawler arranged such that each pair of first and second right and left legs 14, 14a and 17, 17a are vertically disposed to a bucket main body 7, the first right and left legs are connected to each other by a first reinforcing member 15, the second right and left legs are connected to each other by a second reinforcing member 18, and first and second guide rollers 16, 19 for supporting and guiding a first guide rail 21 disposed on the bottom surface of a movable frame 12 are provided on the first and second reinforcing members. With this arrangement, the movable frame provided with the sieve net is stably supported and guided to the bucket main body to thereby increase the strength of the excavating, sieving and grading device.

Excavating, sieving and grading device for working crawler

The magnetic disk cartridge of the present invention comprises a cartridge frame and, freely rotatably disposed therein, a magnetic disk comprising a magnetic recording medium and a hub provided at the center of the medium, wherein the hub is bonded to the medium with a moisture-curable urethane hot-melt adhesive.

Magnetic disk cartridge

This invention relates to a video printer, which permits pictures, slides and projector images to be video printed and displayed on television for enjoyment. The video printer comprises a lens mounted on one end of a box, a holder for holding a picture, a drawing, etc. or a holder for holding a slide, the holder being detachably secured to the other end of the box, a screen mounted on one side of the box, an image from a projector being projected on the screen, a light source provided in the box and a member with a mirror and provided in the box for rotation by a predetermined angle. An image projected onto the screen is reflected by the mirror surface to be coupled to the lens.

Video printer

A device useful in recording a video from a photograph or a movie projector with a superimposed dialogue on a video tape, and projecting the video on a television. The video printer comprises a lens attached to one end of a box for projecting a video, a light source mounted in the box, a holder fixed at the other end of the box for a photograph or a picture, the holder fixing a glass to a frame, a plate detachably attached to the frame for holding the photograph or the picture by the plate and the glass and another holder slidably engaged with the frame for holding an explanation of characters.

Device for providing an image for video recording

This invention has an object to provide a video printer capable of recording both a video by a movie projector and a photograph, a picture on a video tape. In this invention, the video printer comprises a lens attached to one end of a box for projecting a video, a light source mounted in the box, a holder formed at the other end of the box and formed with a glass surface at one end thereof for a photograph or a picture, and screen means opened or closed at a member having a glass surface and another member having a mirror surface at one end thereof as an axis to be detachably exchangeably attached so that the glass surface is disposed inside for displaying the video projected from a movie projector.

Growing community of inventors

Tokyo, Japan

Keizo Takahashi