In demand as a soloist, chamber musician and a pedagogue, Ishikawa has performed and taught throughout the U.S. and in Europe, Eastern Europe, Asia, Southeast Asia and Oceania. He has appeared as featured soloist and presented masterclasses at the most prestigious events and schools of music in the world, including: IDRS annual conferences in US, Europe and Asia; Beijing Conservatory International Bassoon Festival; Australian Double Reed Society Conference; Asian Double Reed Association Conferences; St. Petersburg Conservatory in Russia; Tokyo School of Music; Shanghai Conservatory; Royal Northern College of Music in U.K.; Australian National Academy of Music; Hong Kong Academy of Performing Arts; and Taipei National University of Arts. He often serves as an advisor for international competitions and has served as a judge for the most prestigious international competitions including: the Fernand Gillet-Hugo Fox Bassoon Competition; the Tokyo Wind and Brass Competition; the Rimsky-Korsakov Competition of the St. Petersburg Conservatory in Russia; the Asian Double Reed Association International Double Reed Competition; the Australian Double Reed Society Oboe and Bassoon Competition; and the Moscow Conservatory Wind and Percussion Competition in Russia.
Ishikawa held the position as the president of IDRS, and is the creator and the editor of online publications for the society (www.idrs.org). He is the founder and the chairman of the Asian Double Reed Association (ADRA), an organization dedicated to uniting double reed performers and teachers throughout Asia. Ishikawa has been the professor of bassoon at the University of Colorado at Boulder College of Music since 1991. He is a graduate of The University of Michigan, where he earned a Doctor of Musical Arts Degree in Bassoon Performance, and Northwestern University, where he earned both Master of Music in Bassoon Performance and Bachelor of Music Education degrees.