When was the Scottish-born scientist died after whose invention "Kōbushō" had started an effort to make telephone receivers?
Oki Kibatarō Oki Kibatarō (沖 牙太郎 , 1848–1906) was an engineer formerly employed at a Japanese Ministry of Industry ("Kōbushō") factory. In 1877, only a year after Alexander Graham Bell's invention, "Kōbushō" had started an effort to make telephone receivers by reverse engineering and Oki was in the team that came up with the first prototype.
Ikutaro Kakehashi Ikutaro Kakehashi (梯 郁太郎 , Kakehashi Ikutarō , 7 February 1930 – 1 April 2017) , also known by the nickname Taro, was a Japanese engineer, inventor and entrepreneur. A pioneer in electronic musical instruments and a Technical Grammy Award winner, he was founder of Japanese companies Ace Tone, Roland Corporation, Boss Corporation and ATV Corporation. He was involved in developing such as the TR-808 and TR-909, the MIDI standard, TB-303 bass synth, Ace Tone Rhythm Ace drum machines, , Microcomposer sequencers, and Boss guitar amplifiers and effects pedals. His electronic equipment were influential, shaping popular music genres such as electronic, dance, hip hop, R&B, rock and pop music.