However, there was some criticism about his winning the prize, saying that contribution by two German scientists, Franz Hillenkamp and Michael Karas was also big enough not to be dismissed, and therefore they should also be included as prize winners.
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After graduation, he joined Shimadzu Corporation, where he engaged in the development of mass spectrometers.
Masato Tanaka | Koichi Ishii | Tricia Tanaka Is Dead | Rena Tanaka | Koichi Zenigata | Koichi Wakata | Kakuei Tanaka | Hiromichi Tanaka | Yoshiki Tanaka | Tomoyuki Tanaka | Tanaka Shōsuke | Tanaka Giichi | Min Tanaka | Masahiro Tanaka | Koichi Wajima | Koichi Sakamoto | Koichi Nakamura | Koichi Domoto | Gold medal match in 2012 London Olympics. '''Asuna Tanaka'''-red 14, Abby Wambach | Yūko Tanaka | Tanaka | Sendai Tanaka | Seiji Tanaka | ''Ruddock with Koichi Tohei Sensei in Iidabashi dojo (photo by Henry Kono)'' | Pat Tanaka | Nobuo Tanaka | Michiko Tanaka | Masahiko Tanaka | Koichi Yamaguchi (bicycle framebuilder) | Koichi Yamaguchi |
The school has had winner of the Nobel Prize in Chemistry, Robert H. Grubbs (who won the Nobel Prize in 2005), K. Barry Sharpless (2001) and Koichi Tanaka (2002) speak to students as part of the school's relationship with the IICT.