Shimizu, the reigning world champion, produced another fine display to top the podium thanks to victory over compatriot Emiri Iwamoto in the tournament finale.

Biserka Radulovic of Montenegro and Alzbeta Oveckova of Slovakia each took home bronze.

Home hope Alisa Buchinger didn’t disappoint the Austrian faithful as she won the women’s under 68 kilograms kumite division, ousting Belgium’s Luana Debatty to seal the gold medal.

Katrine Pedersen of Denmark and Japan’s Kayo Someya rounded off the podium as they both earned bronze.

The Japanese success continued in the under 50kg category as Ayaka Tadano proved too strong for Bettina Plank, with the Austrian karateka unable to deal with her opponent’s power.

The bronze medals in the category went to Malaysia’s Sharmin Segaran and Kateryna Kryva of Ukraine.

The Asian nation, considered the strongest nation in the world in karate, ended up with a total of five golds from the day of finals in the Austrian city.

World Championships silver medallist Ryutaro Araga bagged his second title of the Karate1 Premier League campaign following his triumph in the opening event of the season in Paris, beating Kosovan Alvin Karaqi in the final.

Valerii Chobotar of Ukraine and Macedonian Berat Jakupi finished the competition on a high by claiming the two bronze medals on offer.

Daisuke Watanabe, gold medallist at last year’s finale in Okinawa, won an all-Japanese affair in the men’s under 75kg kumite event as he beat compatriot Ken Nishimura.

Ivan Martinac of Croatia and Turkey’s Sabir Uygur were the recipients of the bronze medals.

Ayumi Ueksa had earlier maintained the Japanese monopoly as she took gold in the women’s over 68kg category with a commanding success against Helena Kuusito of Finland.

Natsumi Kawamura added to Japan’s haul with bronze, while Serbian Andriana Vicovac clinched the other.

Austrian supporters had another gold medal to cheer when Valeria Kumizaki reigned supreme in the under 55kg kumite discipline by earning victory over Syakilla Jefry Krishnan of Malaysia, while Jelena Kovacevic of Croatia and Slovakia’s Viktoria Semanikova picked up bronze.

Alexandra Grande of Peru took the women’s under 61kg kumite honours as she overcame Italy’s Nicole Forcella.

Tina Maric picked up medal for Croatia as she won bronze along with Macedonia’s Natasha Stefanovska.

Venezuela’s Antonio Diaz stunned Spain’s Damian Quintero, who has been in impressive form this season, to claim the gold medal in the men’s kata.

They were joined on the podium by Szabolcs Koch of Hungary and Issei Shimbaba of Japan.

Marko Antic of Serbia was the top performer in the men’s under 60kg event, ousting Emil Pavlov of Macedonia to secure gold, while Oleh Filipovych of the Ukraine and Dutchman Geoffrey Berens did enough to win bronze.

His compatriot Slobodan Bitevic also struck gold as he was triumphant in the over 84kg category as he beat Moreno Sheppard of The Netherlands.

Zarko Arsovski of Macedonia and Herolind Nishevci of Kosovo each claimed bronze.

Vinicius Figueira was Brazil’s sole gold medallist in Salzburg, condemning Thomas Kaserer of Austria to silver medal position.

Luca Rettenbacher, also representing the host nation, and Bosnia’s Mensur Djozic ended on the podium with a bronze apiece.

The women’s team kata event was dominated by Slovakia, who clinched gold by virtue of giving a better performance in the discipline than Vietnam, while Croatia and Macedonia claimed bronze.

Hong Kong were the surprise winners of the men’s equivalent, edging Croatia to the title, with Poland and Serbia both finishing the competition in third.