ɪn tˈuː θˈaʊzənd tˈɛn, hiː ɛndˈoːɹst ðɪ ɐmˈɛɹɪkənbˈeɪst ɡɪtˈɑːɹ bɹˈænd fˈɛndɚ, kˈɛn təɡˌɛðɚ wɪð ɪnˈoːɹən fɹʌm lˈuːnə sˈiː wʌz ɐpɹˈoʊtʃt baɪ fˈɛndɚ ænd sˈaɪnd ðɪ ɛndˈoːɹsmənt kˈɑːntɹækt; hɪz sˈɪɡnɪtʃɚ mˈɑːdəl ɪz ɐ stɹˈæɾəkˌæstɚ.
In 2010, he endorsed the American-based guitar brand Fender, Ken (together with Inoran from Luna Sea) was approached by Fender and signed the endorsement contract; his signature model is a Stratocaster.