Patents by Inventor Toshio Kai
Toshio Kai 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).
-
Patent number: 6043473Abstract: A microwave oven comprises a heating compartment 3, a door 4 having a door key 6 for closing the front opening of the heating compartment 3, a hook spacer 13 manipulated by the door 4, a door hook 9 to be engaged with the door key 6, and switches 10, 11, 12 turned on or off by the door key 6 and hook spacer 13, wherein the door key 6 is made of a resin filled with at least one of acicular crystals of potassium titanate, calcium metasilicate, magnesium pyroborate, barium titanate, and zinc oxide of which Mohs's hardness is lower than that of glass fiber, with the diameter of acicular crystal being 0.1 .mu.m or more and 50 .mu.m or less, and the door hook 9 to be engaged with the door key 6 is made of a resin material filled with glass fiber, with the resin surface roughness of the door key 6 being smaller than the resin surface roughness of the door hook 9, thereby not required to apply grease on the sliding parts of the door key 6 and door hook 9.Type: GrantFiled: April 6, 1998Date of Patent: March 28, 2000Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Mamoru Isogai, Toshio Kai
-
Patent number: 5178913Abstract: A mask for covering part of the surface of the material to be coated comprises an aluminum foil, and a film of a resin provided on one surface of the foil and having a high power of adhering to the foil and any film of paint formed on the resin film. The film of paint which is formed on the resin film when the paint applied to the material to be coated is baked in an oven does not peel off and contaminate the interior of the oven. No such paint film peels off and adheres to the coated surface of the coated product, either, but the mask ensures the improved quality of the coated surface.Type: GrantFiled: August 3, 1990Date of Patent: January 12, 1993Assignee: Toyota Jidosha Kabushiki KaishaInventors: Gen Kusunoki, Toshio Kai, Ikuo Watanabe
-
Patent number: 5045224Abstract: A washing solution for a color-change washing which contains a medium-boiling and/or high-boiling true solvent having a boiling point of 100.degree. C. or more, and a color-change washing method using that washing solution. In rotary type electrostatic spray coating devices in which a non-aqueous dispersion paint and a titanium dioxide pigment-incorporated paint are used in combination, the washing solution and method are advantageously used as they remove contamination and clogging of the coating device and reduce fire hazards.Type: GrantFiled: January 11, 1989Date of Patent: September 3, 1991Assignee: Toyota Jidosha Kabushiki KaishaInventors: Ikuo Watanabe, Toshio Kai, Gen Kusunoki, Shiro Oota
-
Patent number: 4559687Abstract: A method of manufacturing a nozzle for a combustor in, for example, a hydrogen producing plant. A mold is prepared from a material forming a nozzle body, and an alloy forming a covering layer is cast into the mold. The resulting combination of the material and the alloy is machined into a predetermined nozzle shape in which the covering layer covers the nose of the nozzle body.Type: GrantFiled: July 17, 1984Date of Patent: December 24, 1985Assignee: Mitsubishi Jukogyo Kabushiki KaishaInventors: Makato Tsunoi, Toshio Kai, Daisaku Shozen, Tatsuo Morimoto, Ikuo Inoue, Katsuo Jindo, Tetsuya Sato
-
Patent number: 4534678Abstract: An offshore structure and method of constructing same are disclosed. The offshore structure comprises a jacket assembly, a bottom tank secured to the bottom of said jacket assembly and a movable tank which is vertically slidable along said jacket assembly and which can be positioned on said bottom tank as a ballasting and storage tank. The offshore structure further includes a guide mechanism between said jacket assembly and movable tank to guide the vertical sliding of said movable tank, a frictional plate disposed on the contact surface between said bottom tank and movable tank so as to permit the two tanks to slide relative to each other in a given horizontal movement, and a buffer disposed between said jacket assembly and movable tank.Type: GrantFiled: February 10, 1983Date of Patent: August 13, 1985Assignee: Sumitomo Metal Industries, Ltd.Inventors: Takuzo Nakazato, Koichiro Okuto, Toshio Kai
-
Patent number: 4462777Abstract: A blow-moulding machine comprises a mixer for mixing refractory particles with a binder and a hardener or the like, a main tank for transporting moulding sand, a booster provided subsequently to said tank, a blast hose, and a blowing nozzle mounted at the tip end of said hose.Type: GrantFiled: April 21, 1982Date of Patent: July 31, 1984Assignee: Mitsubishi Jukogyo Kabushiki KaishaInventors: Teishiro Watanabe, Makoto Tsunoi, Toshio Kai, Hiroshi Shiota, Hiroshi Nakabayashi, Tadayoshi Tsutsumi, Ryuichi Sakai
-
Patent number: 4415799Abstract: This invention relates to a cooking appliance for heating a heating load (22) with a hot air as heated by a heater unit (17) and circulated in a heating chamber (2) by a fan unit (18). The temperature in the heating chamber (2) is detected by a temperature detector (26) to control the heater (17) and fan unit (18), whereby the fermentation necessary for breadmaking is performed satisfactorily to yield a neatly baked bread.Type: GrantFiled: February 11, 1981Date of Patent: November 15, 1983Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Junzo Tanaka, Toshio Kai, Yoshitomo Fujitani
-
Patent number: 4337384Abstract: The invention is related to improvements in a cooking appliance equipped with both a microwave heating means and a hot air circulation heating means. By controlling the rotational speed of an air circulating fan or the power of heater means according to the kind of food to be cooked, the cooking time is shortened and the quality of cooked food is improved. The hot air discharging section of such an oven includes a perforated plate so as to prevent leakage of microwaves from the heating chamber, and an air baffle means is provided strategically in the hot air discharging section to ensure a uniform distribution of temperature within the heating chamber. The invention also includes an improved relative position of the air inlets, a double-deck tray and the air baffle means which functions to prevent a substantive dehydration of food which is a drawback of a conventional hot air circulation heating system.Type: GrantFiled: July 30, 1980Date of Patent: June 29, 1982Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Junzo Tanaka, Toshio Kai
-
Patent number: 4283614Abstract: A cooking device with one cooking or heating chamber in which food may be heated by either one or both of high-frequency heating means and the resistance heating means. The high-frequency or microwave energy is radiated into the heating chamber from the top while the air heated to high temperatures by the resistance heating means disposed within a rear chamber defined back of the rear wall of the heating chamber is circulated therethrough by a circulation fan. Food charges are placed on a receptacle which in turn is placed on a turntable, whereby the food charges may be uniformly heated. The simultaneous use of both the high frequency heating means and the resistance heating means may enable a more wide variety of food to be cooked by a more wide variety of methods.Type: GrantFiled: February 7, 1979Date of Patent: August 11, 1981Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Junzo Tanaka, Toshio Kai, Hitoshi Kurita
-
Patent number: 4163141Abstract: A microwave oven is equipped with a rotary table driven by magnetic coupling. The microwave oven has a heating chamber in which at least its bottom wall or base plate is made of a non-magnetic metallic material, while its other walls are formed of metallic material other than non-magnetic metallic material, for reduction of the cost of the microwave oven. The junctions between the wall of non-magnetic metallic material and the walls of metallic material other than non-magnetic metallic material are coated with coating film to improve corrosion resistance. Furthermore, the heating chamber together with the rotary table is so arranged as to facilitate insertion and withdrawal of a container of food material into and from the heating chamber to provide a microwave oven which is clean and convenient to use.Type: GrantFiled: April 14, 1977Date of Patent: July 31, 1979Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Junzo Tanaka, Toshio Kai
-
Patent number: 4131778Abstract: A microwave oven including a rotary table or turn table disposed on the bottom surface of a heating cavity and a rotary member associated with a driving motor through a driving mechanism and disposed adjacent to the rotary table and the bottom wall of the heating cavity for rotating the rotary table through magnetic coupling means. Should the rotary table be prevented from being rotated or locked for some reason, the magnetic coupling is released, so that damage to the driving motor and the like are advantageously prevented.Type: GrantFiled: February 28, 1977Date of Patent: December 26, 1978Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Junzo Tanaka, Toshio Kai
-
Patent number: 4107502Abstract: A microwave oven equipped with a rotary table or turntable includes a heating chamber whose rear wall is formed into a concave shape of semi-circular cross section approximately concentric with a rotational center of the rotary table to eliminate any idle space at corner portions in the heating chamber for providing an economical microwave oven of compact size, and also to prevent the rotary table from being locked by a large object to be heated which may be caught by the corner portions during rotation, with the simultaneous elimination of damage to an observation window due to spark discharge arising from a metallic material included in the object, and with the further improvement of uniform heating within the heating chamber.Type: GrantFiled: April 5, 1977Date of Patent: August 15, 1978Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Junzo Tanaka, Toshio Kai
-
Patent number: 4096369Abstract: A microwave oven providing the combination of dielectric heating by the use of microwaves and resistive heating for scorching the surface of a food. An isolation chamber for accommodating an article to be heated by a resistive heater is formed adjacent to the resistive heater provided in a heating cavity. When heating by the resistive heater is desired, the article to be heated is accommodated in the isolation chamber so that it is heated either both by dielectric heating and resistive heating or solely by resistive heating for scorching in an effective manner and at the same time minimizing the contamination of the heating cavity. In this manner, the application of the microwave oven may be widened and the usefulness of the microwave is enhanced.Type: GrantFiled: November 15, 1976Date of Patent: June 20, 1978Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Junzo Tanaka, Chikao Urashima, Toshio Kai
-
Patent number: 4051341Abstract: A structure of a microwave oven door screen which facilitates the observation of the inside of a heating cavity and enhances the safety against the electromagnetic wave leakage and durability. A door screen of this type generally comprises a pair of transparent plates and an electromagnetic wave shielding material interposed therebetween. The present door screen uses a punched metal plate as the electromagnetic shielding material made of aluminum having a thickness of 0.1 to 0.35 mm, an aperture diameter of 1.2 mm or less and a ratio of the aperture diameter to a center-to-center distance of an aperture of 0.67 to 0.85, these parameters being chosen such that an aperture rate of more than 40% is assured and the electromagnetic wave leakage through the door screen is effectively prevented (to meet the Regulations of U.S. Department of Health, Education, and Welfare) and a strain due to continuous mechanical treatment of the punched metal plate is minimized.Type: GrantFiled: May 3, 1976Date of Patent: September 27, 1977Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Junzo Tanaka, Toshio Kai
-
Patent number: 4010343Abstract: Microwave oven is provided with an improved door screen which allows an undisturbed clean observation of the heating chamber and at the same time assures safety and durability in use. The door screen comprises an electromagnetic wave shielding means made of a metal mesh interposed between a pair of transparent plates. The metal mesh is constituted by electrically conductive woven wires having a predetermined diameter with the space between the wires also being numerically predetermined.Type: GrantFiled: December 4, 1975Date of Patent: March 1, 1977Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Junzo Tanaka, Tsuyoshi Takami, Toshio Kai
-
Patent number: 4008383Abstract: A microwave oven whose door screen is constructed by interposing an electromagnetic wave shielding body of a metallic plate having a plurality of through-holes formed therein or a wire screen, between a tempered glass plate and a transparent resin plate, with the tempered glass plate being placed on the side of a heating cavity while the transparent resin plate being placed outwardly, a peripheral section of the shielding body extending to electrically connect with a metal plate which, essentially, electrically connects the heating cavity with the door body, whereby observation of food in the heating cavity during cooking can be facilitated while the safety from electromagnetic wave leakage is assured.Type: GrantFiled: December 24, 1974Date of Patent: February 15, 1977Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Junzo Tanaka, Tsuyoshi Takami, Toshio Kai