Patents by Inventor Kiyokazu Sakai
Kiyokazu Sakai has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Publication number: 20240045536Abstract: To provide a controller that can reduce a sense of discomfort felt by a user. A pen-type controller with a grip according to the present disclosure includes a pen part that is formed in a pen shape, a grip part that intersects an axial direction of the pen part, and a battery that is arranged in the grip part.Type: ApplicationFiled: October 20, 2023Publication date: February 8, 2024Inventors: Hiroshi MUNAKATA, Jun HASEGAWA, Futa IMATA, Hiroshi FUJIOKA, Yuta SATO, Kiyokazu SAKAI, Ryoichi KIKUCHI, Naoya NISHIZAWA
-
Publication number: 20240012492Abstract: A pen-type controller includes a pen portion having a pen shape, a grip portion that intersects an axis direction of the pen portion, and a first light emitting part disposed at an end part of the grip portion, wherein the end part is closer to the axis of the pen portion than another end part of the grip portion.Type: ApplicationFiled: September 21, 2023Publication date: January 11, 2024Inventors: Hiroshi MUNAKATA, Jun HASEGAWA, Futa IMATA, Hiroshi FUJIOKA, Yuta SATO, Kiyokazu SAKAI, Ryoichi KIKUCHI
-
Publication number: 20230326103Abstract: An image drawing method performed by first and second computers is provided. The image drawing method includes: transmitting, by the second computer, a streaming video that includes a pen stroke image generated by a first rendering process; generating, by the first computer, a pen stroke image by performing a second rendering process, which is shared with the first rendering process, in parallel with the first rendering process; receiving, by the first computer, the streaming video from the second computer via communication that incurs a delay; compositing, by the first computer, the pen stroke image into the streaming video; and outputting, by the first computer, the streaming video. The image drawing method enables alignment of appearances between a provisional image and the pen stroke image that appears within the streaming video.Type: ApplicationFiled: June 14, 2023Publication date: October 12, 2023Inventors: Tatsunori KATO, Yoshifumi TAKEBE, Kiyokazu SAKAI, Sadao YAMAMOTO, Naoki WATANABE
-
Publication number: 20110181305Abstract: A position detecting device includes: a transmitting conductor group formed of a plurality of conductors arranged in a first direction; a receiving conductor group formed of a plurality of conductors arranged in a second direction intersecting the first direction; a signal detecting circuit configured to detect a signal occurring in at least one of the transmitting conductor group and the receiving conductor group on a basis of position indication by an indicating object; a transmitting conductor selecting circuit; and a receiving conductor selecting circuit. Each of the transmitting conductor group and the receiving conductor group is sectioned into at least a first conductor group and a second conductor group adjacent to each other. Conductors are selected such that a direction of selecting each of the conductors forming the first conductor group and a direction of selecting each of the conductors forming the second conductor group are different from each other.Type: ApplicationFiled: December 20, 2010Publication date: July 28, 2011Applicant: WACOM CO., LTD.Inventor: Kiyokazu Sakai
-
Patent number: 5627645Abstract: A compensation polarizing plate which is superior in polarization characteristic to a polarizing filter layer of a composite layer sample is arranged on the polarization filter layer side of the composite layer sample whose polarizing filter layer has an insufficient degree of polarization, and polarization transmission axes of the polarizing filter layer and the compensation polarizing plate are kept in parallel with each other to compensate the polarization characteristics of the polarization filter layer. Measurement for obtaining the retardation value and the optical principal axis direction of the sample is carried out in the state of the compensated sample.Type: GrantFiled: September 26, 1995Date of Patent: May 6, 1997Assignee: New Oji Paper Co., Ltd.Inventors: Kyoji Imagawa, Shinichi Nagata, Kiyokazu Sakai
-
Patent number: 5504581Abstract: A phase plate is superposed on a sample, and this phase plate is so adjusted that the phase difference of the total retardation of the sample and the phase plate is integral times 2.pi. with respect to a measuring beam of a first wavelength, so that retardation can be correctly measured even if an order is increased. In this state, a measuring beam of a second wavelength which is approximate to the first wavelength is employed and two polarizing plates maintaining polarizing directions in parallel nicol relation are singularly rotated with respect to the sample which is arranged therebetween. The ratio Im/Io between maximum value Io and minimum value Im of currently transmitted light intensity is applied to a previously prepared relation between the order n of retardation and this ratio Im/Io to derive the order of retardation of the sample, to thereafter obtain correct retardation.Type: GrantFiled: February 26, 1993Date of Patent: April 2, 1996Assignee: Kanzaki Paper Manufacturing Company, Ltd.Inventors: Shinichi Nagata, Kiyokazu Sakai, Osamu Tomita, Kyoji Imagawa
-
Patent number: 5450200Abstract: A part for projecting a measuring light beam onto a sample and a light receiving part are arranged on the same side of a sample surface so that the measuring light beam is concentric with the light receiving part, the measuring light beam which is converted to a linearly polarized light beam through a polarizing element is projected to the sample so that the measuring light beam outgoing from the sample to the projecting side is received and detected through the same polarizing element. A plurality of sets of polarizing elements and light receiving parts are set so that the polarizing elements have different polarization directions, to calculate retardation from transmitted light intensity levels as obtained.Type: GrantFiled: March 23, 1994Date of Patent: September 12, 1995Assignee: New Oji Paper Co., Ltd.Inventors: Kyouji Imagawa, Kiyokazu Sakai
-
Patent number: 5406371Abstract: In order to efficiently obtain data for calculating retardation values at a plurality of wavelengths, a sample having birefringence is placed between a polarizer and an analyzer, which are maintained in a parallel nicol relation to each other and rotated about an optical axis of measuring light. White measuring light is applied through the polarizer so that the light being passed through the sample and transmitted through the analyzer is received by a polychromator. A one-dimensional optical sensor is arranged on an outgoing imaging surface of the polychromator, to simultaneously detect transmitted light intensity values of a plurality of wavelengths. Since transmitted light intensity values of a plurality of wavelengths are obtained every polarization rotation angle of the polarizer and the analyzer, it is possible to obtain dispersion of retardation values with respect to wavelengths and the like by processing the data.Type: GrantFiled: July 27, 1992Date of Patent: April 11, 1995Assignee: New Oji Paper Co., Ltd.Inventors: Kiyokazu Sakai, Shinichi Nagata, Osamu Tomita, Yo Tajima
-
Patent number: 5046356Abstract: An apparatus for determining water content of powder/granule sample including a rectangular waveguide system substantially set up in the upright or vertical disposition, consisting of a microwave transmitting converter, a microwave waveguide, and a microwave receiving converter; the apparatus comprising: a sample container for containing powder or granular sample and being accommodated inside of the microwave waveguide; the waveguide being provided with an inlet hole communicated to the inner space of the cavity resonator at one of side walls, and having a door for opening and closing the hole and a supporting element for the sample container within the waveguide; a buffer weighing system for supporting the hollow waveguide on a supporting table in the upright or vertical disposition and generates electric signals designating the supporting weight; and signal processing means for receiving signal output from the microwave receiving converter and the other signal from said buffer weighing system, storing and aType: GrantFiled: September 27, 1989Date of Patent: September 10, 1991Assignee: Kanzaki Paper Manufacturing Co., Ltd.Inventors: Shigeyoshi Osaki, Kiyokazu Sakai, Shinichi Nagata
-
Patent number: 4973163Abstract: The combination of a polarizer and an analyzer, and a sample interposed therebetween are rotated relative to each other to determine the relationship between the angle of rotation and the intensity of light transmitted through the arrangement. The birefringence of the sample is obtained from the retardation values calculated from the result of the determination. When the determination is made for two kinds of light with different wavelengths close to each other, the retardation can be determined straightforwardly. When at least three kinds of light with different wavelengths are used for the determination, different retardation values are obtained for the respective wavelengths for a highly accurate analysis.Type: GrantFiled: October 4, 1989Date of Patent: November 27, 1990Assignee: Kanzaki Paper Manufacturing Co., Ltd.Inventors: Kiyokazu Sakai, Shigeyoshi Osaki
-
Patent number: 4849623Abstract: A system and method for determining the anisotropy of a sample of a light transmitting sheet is disclosed. The surface of the sample is irradiated with a polarized light which is directed through the sample to an analyzer element. The polarizing plane of the analyzer is matched to, or maintained in a predetermined angular relation to, the polarizing plane of the polarized light. The sample is rotated relative to the analyzer element so that the optical anisotropy can be determined from the relationship between the rotation angle and the output of measured light.Type: GrantFiled: December 23, 1986Date of Patent: July 18, 1989Assignee: Kanzaki Paper Manufacturing Co., Ltd.Inventors: Shigeyoshi Osaki, Kiyokazu Sakai, Yoshihiko Fujii
-
Patent number: 4801862Abstract: Method for measuring complex dielectric or magnetic constant of materials in three-dimensional directions comprising the steps of: inserting a specimen held by a rotary holder into a slit which is provided in such a position corresponding to the antinode or belly portion of electric or magnetic field of a cavity resonator that the slit fully turns around the four-side walls of the cavity resonator in a plane perpendicular to the axis thereof to rotatably accommodate the holder about the axis; measuring the respective resonant frequencies f.sub.1 and f.sub.2 and the respective Q-values Q.sub.1 and Q.sub.2 of the cavity resonator before and after inserting said specimen into the split; and calculating the complex dielectric or magnetic constant for each of some rotation angles of the holder and each of some insertion dispositions of the specimen to the holder.Type: GrantFiled: February 24, 1987Date of Patent: January 31, 1989Assignee: Kanzaki Paper Manufacturing Co., Ltd.Inventors: Shigeyoshi Osaki, Kiyokazu Sakai, Kimiyoshi Uranishi