Tsunetomo, JP
Keiji Tsunetomo, Tokyo JP
Patent application number | Description | Published |
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20080304787 | Waveguide Element, Method for Producing the Waveguide Element, and Optical Sensor - A waveguide element | 12-11-2008 |
20090013724 | Glass Processing Method Using Laser and Processing Device - A glass processing method comprising steps (i), (ii) carried out in the order mentioned. In step (i), a laser pulse ( | 01-15-2009 |
20090128908 | Polarization Split Element and Production Method Thereof, and Optical Pickup, Optical Device, Optical Isolator and Polarizing Hologram Provided with the Polarization Split Element - A polarization split element | 05-21-2009 |
20090291261 | Glass Substrate Processing Method and Glass Component - A glass substrate processing method includes irradiating laser light L onto a glass substrate | 11-26-2009 |
20090316262 | TRANSMISSION TYPE POLARIZING ELEMENT, AND COMPOSITE POLARIZING PLATE USING THE ELEMENT - A transmission type polarizing element | 12-24-2009 |
20100216625 | GLASS FOR LASER MACHINING - A glass for laser processing that is processed through laser beam irradiation, wherein the glass for laser processing has a composition that satisfies the following relationships: | 08-26-2010 |
Keiji Tsunetomo, Amagasaki-Shi JP
Patent application number | Description | Published |
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20080209950 | Processing Method for Glass Substrate, Processed Glass Product and Stress Applying Apparatus - A processing method for glass substrate of the present invention includes: applying heat and external force to a glass substrate and then cooling it down to thereby form a compression stressed part having a different etching rate from that of other parts with respect to an etching reagent to be used, on the surface of the glass substrate and in the vicinity thereof; and performing chemical etching using the etching reagent on the glass substrate having the compression stressed part formed thereon, so as to form a relief on the surface of the glass substrate. | 09-04-2008 |
Kohei Tsunetomo, Tokyo JP
Patent application number | Description | Published |
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20150071781 | CENTRIFUGAL FAN AND AIR-CONDITIONING APPARATUS - A centrifugal fan includes a main plate fixed to a rotating shaft of a drive unit, a shroud having an air suction port, and a plurality of blades disposed between the main plate and the shroud. A rib for reinforcement is formed in each of the blades. Deformation due to an external pressure can be suppressed, the main plate, the shroud, and the blades are firmly fixed to each other, and a decrease in reliability, generation of noise, and the like due to deformation are suppressed. | 03-12-2015 |