is a Japanese racing driver and businessman.
Racing career Jyonai started karting in 1988; he is noted for his extensive experience in kart racing, having won numerous karting championships. He moved to car racing in 1993, racing in the Suzuka 1000 km in the Proto 2 class; he won on his debut.
Jyonai began competing in Super GT in 1997 with the SigmaTec Racing Team. As of 2023, he has won two races; his best finish in the championship is fifth, achieved in his first year in the series. Outside of racing, Jyonai is the CEO and President of Marusho Co. Ltd., a company involved in the lighting, security and construction sectors. He is also a lecturer at the karting classes of Honda Racing School Suzuka as well as a color commentator for various television programs.
Jyonai occasionally competes using the pseudonym ; Jyonai says he took the name from comedian Guts Ishimatsu. In more recent years, he has reverted to using his real name.
Racing record Complete Super GT results (key) (Races in bold indicate pole position) (Races in italics indicate fastest lap) Year Team Car Class 1 2 3 4 5 6 7 8 9 DC Points 1997 SigmaTec Racing Team Porsche 911 GT2 GT300SUZFUJ6SEN7FUJ6MIN2SUG1 5th 51 1998 GT300SUZRetFUJCSEN9FUJ4MOTMINSUG16 21st 12 1999 GT300DSQFUJ3SUG6MIN11FUJ19TAIRetMOTDNS 15th 18 2000 GT300MOTFUJ12SUG4FUJRetTAI4MIN7SUZ5 11th 32 2001 Toyota MR-S GT300TAIRetFUJSUGRetFUJRetMOTRetSUZ11MIN1 14th 20 2002 GT300TAI14FUJ2SUGRetSEPFUJRetMOT10MIN13SUZ6 15th 24 2003 GT300TAI4FUJ7SUGRetFUJ18FUJMOTAUTSUZ 16th 16 Toyota CelicaTAIFUJSUGFUJFUJRetMOTAUTSUZ 2004 Team Gaikokuya Porsche 911 GT3-R GT300TAI13SUG21SEPTOKMOTAUTSUZ 20th 2 Arktech Motorsports Porsche 911 GT3TAISUGSEPTOK20MOT9AUTSUZ17 2005 Team LeyJun Porsche 968 GT4 GT300OKARetFUJRetSEPNCSUG16DSQFUJ14AUTRetSUZRet NC 0 2006 Porsche 911 GT3 GT300SUZRetOKAFUJ16SEPSUGSUZ15MOT23AUTFUJ25 37th 1 2007 A&S Racing Mosler MT900R GT300SUZRetOKA23FUJRetSEPSUGSUZMOTAUTFUJ NC 0 Arktech Motorsports Porsche BoxsterSUZOKAFUJSEPSUG17SUZRetMOTAUT17FUJ19 2008 GT300SUZ15OKAFUJSEPSUGSUZMOTAUTFUJ NC 0 Tomei Sports Porsche 911 GT3SUZOKAFUJSEPSUGSUZ16MOTAUT16FUJ15 2010 R'Qs Motor Sports Vemac RD350R GT300SUZOKAFUJSEPSUGSUZ13FUJCMOT18 NC 0 2011 GT300OKA13FUJ13SEP16SUGRetSUZ19FUJAUT14MOT NC 0 2012 GT300OKA16FUJ12SEP18SUGDNQSUZ12FUJ16AUT18MOT NC 0 2013 Mercedes-Benz SLS AMG GT3 GT300OKARetFUJ13SEPRetSUG19SUZ12FUJ17FSWAUT14MOT16 NC 0 2014 GT300OKAFUJAUTSUGFUJ11SUZ15CHA9MOT14 35th 2 2015 GT300OKADNSFUJCHA15FUJ10SUZ16SUG10AUT22MOT24 32nd 2 2016 GT300OKA19FUJRetSUG20FUJRetSUZ23CHA18MOT21MOT21 NC 0 2017 GT300OKA24FUJ23AUT26SUGFUJ26SUZ21CHAMOT25 NC 0 2018 Mercedes-AMG GT3 GT300OKA19FUJ25SUZ25CHAFUJ21SUGDNQAUT25MOT28 NC 0 2019 GT300OKA17FUJ20SUZ26CHAFUJ23AUTRetSUGMOT26 NC 0 2020 GT300FUJ24FUJ28SUZ23MOTRetFUJSUZ26 MOT28FUJ27 NC 0 2021 Mercedes-AMG GT3 EVO 2020 GT300OKA20FUJRet SUZ28MOT21SUGAUTRet MOTFUJ NC 0 2022 GT300OKA25FUJRetSUZFUJ20SUZ21SUG24AUT24MOT22 NC 0 2023 GT300OKA20FUJ21SUZ26FUJ24SUZ20SUG16AUT21MOT22 NC 0 Season still in progress.
References
External links