The Three Business Domains of RionRion’s [Activity Report]Research Presentations/Review Articles◎ The 2021 spring meeting of the Acoustical Society of Japan, on March 10 (Wed.), 11 (Thu.), and 12 (Fri.), 2021. Meeting held online. Beginners’ Seminar, “Acoustics × Career Paths - What It Is Like to Have a Career in Acoustics (in Japanese)”; Takashi Morimoto (Rion) Present Standards for the Sound Attenuation Measurement of Hearing Protectors; Sakae Yokoyama (Kobayasi Institute of Physical Research), Takashi Yamasaki (Rion, Japan Hearing Protection Research Association) Study on Vibration Acceleration Estimation Flow for Floor Structure under Tatami; Ryuta Tomita (College of Science and Technology, Nihon University), Yuta Goto (Takenaka Corporation, formerly the Graduate School of Science and Technology, Nihon University), Reina Aoki (Graduate School of Science and Technology, Nihon University), Dai Adachi (Rion)◎ Journal of the Japan Wind Energy Association, vol. 44, no. 4, consecutive vol. no.136 (published in Feb. 2021) Measurement and Analysis of Noise and Vibration (in Japanese); Yasutaka Nakajima, Tomoaki Cho, Takumi Uchida (Rion)◎ The Environment and Measuring Technologies, March 2021 issue Introducing New Technologies: The Latest JIS Standards and Measuring Instruments Required to Register Measurement Certication (Sound Pressure Level, Vibration Acceleration Level) (in Japanese); Tetsuya Ozaki (Rion)◎ The 2020 Award of the Director-General of the Industrial Science and Technology Policy and Environment Bureau METI (recognizing contributors to the operation of the metrology system) Masaharu Ohya◎ The 2020 Award of the Director-General of the Industrial Science and Technology Policy and Environment Bureau (recognizing contributors to industrial standardization) Takashi MinakamiExhibitions/Academic MeetingsEnvironment: Spring meeting of the Institute of Noise Control Engineering of Japan (online, on Thursday, April 22, 2021)Medical: The 122nd Annual Meeting of the ORL (Oto-Rhino-Laryngological) Society of Japan and adjacent corporate exhibits (Kyoto International Conference Center, from Thursday, May 13, to Saturday, May 15, 2021https://site2.convention.co.jp/jibika122/Environment: Automotive Engineering Exposition 2021 Yokohama (PACIFICO Yokohama, from Wednesday, May 26, to Friday, May 28, 2021)https://expo.jsae.or.jp/Environment: Automotive Engineering Exposition 2021 Nagoya (Portmesse Nagoya, from Wednesday, June 30, to Friday, July 2, 2021)http://expo-nagoya.jsae.or.jp/SeminarsRion holds seminars on sound and vibration around Japan.Visit the website to the right to check for dates, venues, programs, and other details.https://svmeas.rion.co.jp/event/allRion’s name is a combination of “ri” for rigaku (physics) and “on” for Onkyogaku (acoustics). The name reects our devotion to pioneering work in elds associated with acoustics, with its deep roots in physics.Our company was founded in 1944 to commercialize the results of research carried out at the Kobayasi Institute of Physical Research, an institute dedicated to studies in physics and acoustics.Our company’s acoustic and vibration technologies have benetted society in various elds during the 77 years since its foundation. We’re currently active in three business domains to contribute to human comfort and happiness and to the advancement of industries.Particle CountersRion offers various types of particle counters in support of Japan’s manufacturing industries. These range from the airborne particle counters essential to cleanroom operations in the electronics industry to liquid-borne particle counters that ensure the highest standards of cleanliness as required in the process of manufacturing pharmaceuticals and foodstuffs. Our products are highly acclaimed for meeting the evolving needs of our customers, including rapid response to governmental and industry regulations and standards, meeting demands for networked standards, and enabling operations in tandem with production systems.Medical InstrumentsSeventy years have passed since the rst mass-produced hearing aid went on the market. Rion has continued to produce industry-leading hearing aids, applying its advanced technologies to realize more compact designs, digital processing, and waterproof construction, to help users with verbal communication. The various medical testing equipment marketed by Rion have won high acclaim not just for their advanced functions, but for their durability and user-friendliness and for the support system we’ve estab-lished across the country.Environmental InstrumentsRion mainly produces sound and vibration measuring instruments, including sound level meters used to monitor noise from road trafc, factories, construction sites, and aircraft; vibration meters essential for performance testing in maintenance, inspections of factory facilities, product development, and vibration pollution countermeasures; and seismometers that help maintain the social infrastructure. Rion’s sound and vibration measuring instruments offer ideal solutions to precisely meet each of the diverse needs related to environ-mental administration and industry.“Ri” Is for Rigaku + “On” Is for Onkyogaku(Physics)(Acoustics)18

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