Mitsubishi Electric Corporation

Mitsubishi Gas Chemical Company, Inc.

Pioneer Corporation

Seiko Precision Inc.

Increment P Corporation

Nec Corporation

Reuter Chemische Apparatebau E.k.

Koji Hirose

Noboru Kawaguchi

Tomoya Hattori

Hidetaka Yamauchi

Noriyuki Kato

Shinya Ikeda

Kentaro Ishihara

Mitsuteru Kondo

Munenori Shiratake

Kensuke Oshima

Masaki Haruna

Shoko Suzuki

Shingo Kimura

Ken Ueda

Shuya Nagayama

Shigehiko Aoki

Karl Reuter

Florian Stolz

Mark Kantor

Vasyl Andrushko

Hiroshi Yamazaki

Hitoshi Kaneko

Nobuaki Suzuki

Masahiro Kanda

Ichiro Hatano

Koji Yoneda

Teppei Ikezaki

Iwao Hirayama

Shoko Murata

Oshima Kensuke

A robot includes: a chest; a pair of right and left upper limbs; and a pair of right and left shoulders connecting the right and left upper arms rotatably to the chest with two rotational degrees of freedom, respectively. The shoulder includes: a shoulder joint connecting the upper arm rotatably; a chest-side main link attaching unit provided; an upper arm main link attaching unit provided in the upper arm; an upper arm drive main actuator including an upper arm drive main link having a variable length and a power source for generating force changing the length of the upper arm drive main link; a chest-side auxiliary link attaching unit provided in the chest; an upper-arm-drive-main-link-side auxiliary link attaching unit provided in the upper arm drive main link; and an upper arm drive auxiliary actuator including an upper arm drive auxiliary link having a variable length and a power source for generating force changing the length of the upper arm drive auxiliary link.

Robot

A rotation connecting mechanism includes: a joint that connects a second member rotatably to a first member with three rotational degrees of freedom; a first link and a third link in each of which one end is attached rotatably to second member with at least two rotational degrees of freedom while the other end is attached rotatably to first member with at least two rotational degrees of freedom, each of first link and third link having a variable length and five rotational degrees of freedom; a second link in which one end is attached rotatably to first link with at least two rotational degrees of freedom while the other end is attached rotatably to first member with at least two rotational degrees of freedom, second link having a variable length and five rotational degrees of freedom; and motors that generate force changing lengths of the three links.

Rotation connecting mechanism, robot, robot arm, and robot hand

A robot includes elbows connecting forearms rotatably to upper arms with two rotational degrees of freedom. The elbow includes: an elbow joint connecting the forearm and the upper arm with two rotational degrees of freedom; an elbow drive main link; an elbow drive auxiliary link; a forearm-side main link attaching unit attached with one end of the elbow drive main link with two rotational degrees of freedom, and provided in the forearm; an elbow-drive-main-link-side auxiliary link attaching unit attached with one end of the elbow drive auxiliary link with two rotational degrees of freedom, and provided on the elbow drive main link; and two linear actuators for moving two upper-arm-side link attaching units each attached with the other end of either the elbow drive main link or the elbow drive auxiliary link with two rotational degrees of freedom, and provided so as to be movable along the upper arm.

A polycarbonate resin having a high refractive index, a low Abbe number and a high moisture and heat resistance is provided. In an embodiment, a polycarbonate resin including a structural unit represented by general formula (1) below is provided.

Polycarbonate resin, method for producing the same, and optical lens

The present invention relates to triarylmethane compounds of the formula (I), which suitable as monomers for preparing thermoplastic resins having beneficial optical properties and which can be used for producing optical devices. R, Rare e.g. hydrogen; Y is an alkylene group having 2, 3 or 4 carbon atoms, Ar is selected from mono- or polycyclic aryl and mono- or polycyclic hetaryl; X, X, X, Xare CH, C&#x2014;Ror N, provided that in each ring at most two of X, X, X, Xare N; Ris e.g. halogen, CN or CH&#x2550;CH. The invention also relates to thermoplastic resins comprising a polymerized unit of the compound of formula (I).

Triarylmethane compounds

A three-rotational-degree-of-freedom connection mechanism required for a robot that can make motion similar to a human has a simple structure, and there is no restriction on motion within a movable range. The three-rotational-degree-of-freedom connection mechanism includes a joint connecting a second member rotatably to a first member with three rotational degrees of freedom including rotation around a torsion axis, three actuators each including variable length links having a variable length, and power sources for generating force changing the lengths of variable length links and three first-member-side link attaching units provided in first member and the second-member-side link attaching units provided on the second member such that variable length links having a twisted relationship with respect to a torsion axis exist in each state within a movable range of joint.

Three-rotational-degree-of-freedom connection mechanism, robot, robot arm, and robot hand

The present application provides a polycarbonate resin composition which has a high refractive index and a low Abbe number, and high thermal stability. The polycarbonate resin composition according to one embodiment of the present application includes a polycarbonate resin and an antioxidant, wherein the polycarbonate resin contains a constituent unit represented by general formula (1) (in general formula (1), X represents an alkylene group having 1-4 carbon atoms, and a and b each independently represent an integer of 1-10), and the antioxidant content is 1-3000 ppm. 

Polycarbonate resin composition, production method therefor, and optical lens

A polycarbonate resin having a high refractive index, a low Abbe number and a high moisture and heat resistance is provided. In an embodiment, a polycarbonate resin including a structural unit represented by general formula (1) below is provided. 

Provided are a polycarbonate having an appropriate refractive index and an appropriate Abbe number, and comprehensively excelling in heat resistance, total light transmittance, and hue, and a molded article thereof. The polycarbonate includes a constituent unit represented by Formula [I] and a constituent unit having a hydrocarbon group containing a cyclic structure. In Formula [I], Rand Reach independently denote a hydrocarbon group, and each Rindependently denotes a hydrogen atom, a heteroatom-containing group, a halogen atom-containing group, a linear alkyl group having from 1 to 6 carbon atoms, a branched alkyl group having from 3 to 6 carbon atoms, or a group including an aryl group and having from 6 to 12 carbon atoms. 

Polycarbonate and molded article

A polycarbonate resin having a high refractive index, low Abbe number, and high moist heat resistance that includes structural units represented by general formula (1): 

Polycarbonate resin, method for producing same, and optical lens

A mirror support includes a first rod in which one end is connected to an arm at a position closer to a side of a first pad fixed to the mirror with respect to a second pad fixed to the mirror while the other end stretched and inclined onto the side of first pad from the position connected is connected to a support structure; a first-rod elastic body that is an elastic body constituting the first rod; a second rod in which one end is connected to arm at a position closer to a side of second pad with respect to first pad while the other end stretched and inclined onto the side of second pad from the position connected is connected to the support structure; and a second-rod elastic body that is an elastic body constituting the second rod.

Mirror support and mirror support mechanism

The present invention relates to binaphthyl compounds of the formula (I), which are suitable as monomers for preparing polycarbonate resins having beneficial optical properties and which can be used for producing optical lenses: Formula (I) where X is C-C-alkandiyl or C-C-alkandiyl-C(O)&#x2014;, where C(O) is bound to the oxygen atom of the hydroxyl group and where C-C-alkandiyl or C-C-alkandiyl, respectively, are unsubstituted or carry a phenyl ring; R and R' are identical or different and selected from mono or polycyclic aryl having from 6 to 36 carbon atoms and mono- or polycyclic hetaryl having a total of 5 to 36 atoms, which are ring members, where 1, 2, 3 or 4 of these atoms are selected from nitrogen, sulfur and oxygen, while the remainder of these atoms are carbon atoms, where mono- or polycyclic aryl and mono- or polycyclic hetaryl are unsubstituted or carry 1 or 2 radicals R, which are selected from the group consisting of CN, CH, OCH, O-phenyl, O-naphthyl, S-phenyl, S-naphthyl, CI or F; and, if X is C-C-alkandiyl-C(O)&#x2014;, the esters thereof, in particular the C-C-alkylesters thereof. 

Binaphthyl compounds

The present invention provides a resin composition comprising a thermoplastic resin comprising a constituting unit (A) derived from a compound represented by the following general formula (1), wherein 

Thermoplastic resin composition and molded article thereof

The present invention provides a method for producing a thermoplastic resin by reacting reactants comprising a dihydroxy compound. In this production method, the dihydroxy compound comprises a dihydroxy compound represented by the following formula (1), and at least one of a compound represented by the following formula (A), a compound represented by the following formula (B), and a compound represented by the following formula (C), wherein the total weight of the compound represented by the formula (A), the compound represented by the formula (B), and the compound represented by the formula (C) is 1,500 ppm or more, based on the weight (100 parts by weight) of the dihydroxy compound represented by the formula (1). 

Growing community of inventors

Tokyo, Japan

Koji Hirose