Abstract: The steel material includes a chemical composition containing, in mass %, C: 0.15 to 0.45%, Si: 0.50% or less, Mn: 0.20 to 0.60%, P: 0.015% or less, S: 0.005% or less, Cr: 0.80 to 1.50%, Mo: 0.17 to 0.30%, V: 0.24 to 0.40%, Al: 0.005 to 0.100%, N: 0.0300% or less, O: 0.0015% or less, and the balance being Fe and impurities, and satisfying Formula (1) to Formula (4) described in Embodiment, wherein, in its microstructure, a total area fraction of ferrite and pearlite is 10.0% or more, and a proportion of a content of V (mass %) in electrolytic extraction residue to the content of V (mass %) in the chemical composition is 10.0% or less.

Abstract: Provided is a semiconductor device with a reference voltage circuit including an enhancement type transistor having P-type polycrystalline silicon as a first gate electrode, and a depletion type transistor having N-type polycrystalline silicon as a second gate electrode, in which the enhancement type transistor has an impermeable film that is locally provided to cover the first gate electrode via an interlayer insulating film disposed on the first gate electrode, and a nitride film that has an opening portion which is provided larger than the first gate electrode and smaller than the impermeable film, and is provided to cover a periphery of the impermeable film, and the depletion type transistor has a nitride film that is directly provided on an interlayer insulating film disposed on the second gate electrode and covers the depletion type transistor without a gap.

Abstract: A trigger switch according to one or more embodiments may include a first conductive plate (movable electrode) movable in response to movement of a trigger receiving a depressing operation, and a second fixed electrode (fixed electrode) located adjacent to a movable range of the first conductive plate with a space in between. The second fixed electrode forms a capacitor together with the first conductive plate. The capacitor formed by the first conductive plate and the second fixed electrode has a capacitance that changes as the first conductive plate moves.

Abstract: An isoxazolin-5-one derivative represented by formula (1) below: wherein R1 represents a C1-C6 haloalkyl group, Q represents a C3-C8 cycloalkyl group substituted with a C1-C6 alkoxy group, each of R2, R3 and X represents a certain substituent or the like, and n represents an integer of 1 to 4, wherein X's may be different from each other when n represents an integer of 2 to 4, and a herbicide containing the isoxazolin-5-one derivative as an active ingredient are provided.

Abstract: An isoxazolin-5-one derivative represented by the following (1): wherein R1 represents a C1-C6 haloalkyl group, and R2 to R4 and X each represents a certain substituent or the like; and n represents an integer of 1 to 4, wherein X's may be different from each other when n represents an integer of 2 to 4, and an herbicide containing the isoxazolin-5-one derivative as an active ingredient are provided.

Abstract: The present invention provides a 1-(N,N-disubstituted carbamoyl)4-(substituted sulfonyl)triazolin-5-one derivative represented by the following formula (1), a 4-(N,N-disubstituted carbamoyl)1-(substituted sulfonyl)triazolin-5-one derivative represented by the following formula (11), each of which exhibits an excellent herbicidal activity, and a herbicide characterized by containing the derivative as an active ingredient: wherein in the formula (1), R1 to R4 represent predetermined substituents, and in the formula (11), R11 to R14 represent predetermined substituents.

Abstract: The present invention provides 1-(N,N-disubstituted carbamoyl) 4-(substituted sulfonyl)triazolin-5-one derivatives represented general formula 1, and 4-(N,N-disubstituted carbamoyl) 1-(substituted sulfonyl)triazolin-5-one derivatives represented by general formula (11), which show excellent herbicidal activity, and herbicides characterized by containing the derivatives as an active ingredient. In general formula (1), R1-R4 represent predetermined substituents. In general formula (11), R11-R14 represent predetermined substituents.

Abstract: An isoxazolin-5-one derivative represented by the following (1): wherein R1 represents a C1-C6 haloalkyl group, and R2 to R4 and X each represents a certain substituent or the like; and n represents an integer of 1 to 4, wherein X's may be different from each other when n represents an integer of 2 to 4, and an herbicide containing the isoxazolin-5-one derivative as an active ingredient are provided.

Abstract: A drug is provided that is useful as a preventive or therapeutic for cancer as a result of having superior PI3K inhibitory effects as well as superior stability in the body and water-solubility. A compound, or pharmaceutically acceptable salt thereof, represented by formula (I): [wherein, X represents a single bond, etc.; Y represents a single bond, etc. (provided that X and Y are not simultaneously single bonds); Z represents a hydrogen atom, etc.; m represents an integer of 1 or 2; and R1 represents a cyclic substituent].

Abstract: A preventive or therapeutic agent of a proliferative disease such as cancer, having superior PI3K inhibitory effects, superior cell proliferation inhibitory action as well as superior stability in a body and water solubility, is provided. A compound represented by formula (I): [wherein, Q represents a linking group represented by —X—Y—; X represents a single bond —CO—, —CONH—, —CON(C1-4 alkyl)-, —CS—, —CSNH—, —CSN(C1-4 alkyl)-, or —SO2—; Y represents a single bond, arylene or heteroarylene; provided that X and Y are not simultaneously single bonds; and R1 represents —C0-6 alkylene-(A)m-C1-6 alkyl, or C0-6 alkylene-(A)m-C0-6 alkylene-(heterocycle)] or a pharmaceutically acceptable salt thereof.

Abstract: The present invention provides a compound having high antitumor activity, which is useful for therapeutic and preventive agents effective for proliferative diseases such as cancer; a production method thereof; an intermediate compound useful for such production; and a pharmaceutical composition comprising such a compound. The present invention provides a compound represented by the formula (1): wherein X represents an aryl group or heteroaryl group which may be substituted, Cy represents a 4- to 7-membered monocyclic heterocyclic ring or a 8- to 10-membered condensed heterocyclic ring which may be substituted, and Z represents O, S, or NRa; or a prodrug thereof; or a pharmaceutically acceptable salt thereof; and a pharmaceutical and a pharmaceutical composition which comprise the compound.

Abstract: A drug is provided that is useful as a preventive or therapeutic for cancer as a result of having superior PI3K inhibitory effects as well as superior stability in the body and water-solubility. A compound, or pharmaceutically acceptable salt thereof, represented by formula (I): [wherein, X represents a single bond, etc.; Y represents a single bond, etc. (provided that X and Y are not simultaneously single bonds); Z represents a hydrogen atom, etc.; m represents an integer of 1 or 2; and R1 represents a cyclic substituent].

Abstract: The present invention provides a compound having high antitumor activity, which is useful for therapeutic and preventive agents effective for proliferative diseases such as cancer; a production method thereof; an intermediate compound useful for such production; and a pharmaceutical composition comprising such a compound. The present invention provides a compound represented by the formula (1): wherein X represents an aryl group or heteroaryl group which may be substituted, Cy represents a 4- to 7-membered monocyclic heterocyclic ring or a 8- to 10-membered condensed heterocyclic ring which may be substituted, and Z represents O, S, or NRa; or a prodrug thereof; or a pharmaceutically acceptable salt thereof; and a pharmaceutical and a pharmaceutical composition which comprise the compound.