[2] While at Hosei University, he formed a battery with current Yokohama DeNA Baystars pitchers Kenta Ishida and Kazuki Mishima.

[1] Upon graduation, Kinoshita was picked up by Toyota Motors where in his first year with the industrial league team, he helped them to victory in the 2014 All-Japan Amateur Baseball Tournament.

[4] On 15 July, along with teammates Shun Ishikawa and Shota Tomonaga, he was selected for the Western League representative team for the 2016 Fresh All-Stars game in Okayama.

[7] On 7 August, he made his first starting debut against the Yokohama DeNA Baystars in a combined rookie battery with number 1 2015 draft pick Shinnosuke Ogasawara; the first time in 18 years (the last being Kenshin Kawakami and Fumihiro Suzuki in 1998).

Under the new management of Tsuyoshi Yoda and catching staff Tsutomu Itō and Takeshi Nakamura, Kinoshita was on the starting day roster and rotated through much of the season alongside Takuma Katō and Ōno making 39 appearances in the first team.