Ryosei Kokubun
Corporate Officer/Principal at Keio University
Active connections
| Name | Gender | Age | Linked companies | Collaboration |
|---|---|---|---|---|
| Takeo Shiina | M | - |
Keio University
| - |
| Masaru Tomita | M | 66 |
Keio University
| 34 years |
| Jiro Kokuryo | M | 64 |
Keio University
| 24 years |
| Tsukasa Miyajima | M | 73 |
Keio University
| 37 years |
| Taku Fukui | M | 62 |
Keio University
| 24 years |
| Jun Murai | M | 69 |
Keio University
| 38 years |
| Yasuhiro Kakinuma | M | 46 |
Keio University
| 17 years |
| Eri Yokota | M | 63 |
Keio University
| 23 years |
| Akira Haseyama | M | 72 |
Keio University
| 27 years |
| Kiichiro Kobayashi | M | 66 |
Keio University
| 30 years |
| Hirokazu Kono | M | 67 |
Keio University
| 37 years |
| Noriko Endo | M | 55 |
Keio University
| 9 years |
| Junichi Kishigami | M | 69 |
Keio University
| 4 years |
| Shiro Asano | M | 76 |
Keio University
| - |
| Keiichiro Kobayashi | M | 57 |
Keio University
| 11 years |
| Yoshinori Isagai | M | - |
Keio University
| - |
| Nobuhiro Oka | M | 61 |
Keio University
| 12 years |
| Hikaru Yamamoto | F | 50 |
Keio University
| 10 years |
| Jin Nakazawa | M | 49 |
Keio University
| 5 years |
| Sayuri Shirai | M | 61 |
Keio University
| 8 years |
| Seiko Shirasaka | M | 55 |
Keio University
| 14 years |
| Yasushi Seiki | M | 68 |
Keio University
| 26 years |
| Atsuomi Obayashi | M | 63 |
Keio University
| 28 years |
| Norichika Kanie | M | 55 |
Keio University
| 9 years |
| Yasuhiro Koike | M | 70 |
Keio University
| 41 years |
| Masahiro Kotosaka | M | 42 |
Keio University
| 8 years |
| Shinichi Ueyama | M | 66 |
Keio University
| 17 years |
| Hiroyoshi Inoue | M | 62 |
Keio University
| 16 years |
| Jiro Tamura | M | 65 |
Keio University
| 27 years |
| Akira Kawamoto | M | 65 |
Keio University
| 11 years |
| Takashi Yamane | M | 75 |
Keio University
| 30 years |
| Kazuki Hiraga | M | - |
Keio University
| 16 years |
| Shunsuke Takahashi | M | - |
Keio University
| - |
| Yasuhiro Hagihara | M | 86 |
Keio University
| 22 years |
| Susumu Furukawa | M | 69 |
Keio University
| 18 years |
| Hideyuki Tokuda | M | 71 |
Keio University
| 27 years |
| Sawako Nohara | F | 66 |
Keio University
| 15 years |
| Osamu Nakamura | M | 64 |
Keio University
| 27 years |
| Tomoyoshi Soga | M | - |
Keio University
| - |
| Takao Saruta | M | 84 |
Keio University
| 55 years |
| Tokio Hiraragi | M | 82 |
Keio University
| 37 years |
| Hiroyuki Kishi | M | 61 |
Keio University
| 18 years |
| Ichiya Nakamura | M | 63 |
Keio University
| 16 years |
| Haruhito Takada | M | 58 |
Keio University
| 29 years |
| Mitsuhiro Umezu | M | 67 |
Keio University
| 19 years |
| Akihiro Inoue | M | 59 |
Keio University
| 18 years |
| Yuichiro Anzai | M | 77 |
Keio University
| 36 years |
| Yoshihisa Oguchi | M | - |
Keio University
| - |
| Naoki Aikawa | M | 80 |
Keio University
| 55 years |
| Takuro Yoda | M | 63 |
Keio University
| 22 years |
| Kazuto Ataka | M | 56 |
Keio University
| 6 years |
| Minoru Obara | M | 76 |
Keio University
| 38 years |
| Koichi Kusano | M | 69 |
Keio University
| 11 years |
| Yuichiro Takahashi | M | - |
Keio University
| - |
| Yukitoshi Sanada | M | 54 |
Keio University
| 23 years |
See more
Connections Chart
Multi-company connection
Former connections
| Name | Gender | Age | Linked companies | Collaboration |
|---|---|---|---|---|
| Yoko Ishikura | M | 75 |
Keio University
| - |
| Keiko Horkan | F | - |
Keio University
| 6 years |
| Nobuhiro Kobayashi | M | - | - | |
| Shun Ito | M | - |
Keio University
| 6 years |
| Masafumi Kamishiro | M | - |
Keio University
| 6 years |
| Nobuaki Shindoh | M | - |
Keio University
| 6 years |
| Shota Suka | M | - |
Keio University
| 4 years |
| Fumiaki Nagase | M | - |
Keio University
| 7 years |
| Akira Tanabe | M | - |
Keio University
| 6 years |
| Nobuya Kawasaki | M | 52 |
Keio University
| 6 years |
| Ryosuke Munakata | M | - |
Keio University
| 8 years |
| Hideki Fujita | M | - |
Keio University
| 6 years |
| Junichi Sugahara | M | - |
Keio University
| 8 years |
| Shin Shirahata | M | 42 |
Keio University
| 6 years |
| Yukihiko Kirihara | M | 45 |
Keio University
| 6 years |
| Nobuhiro Takagi | M | 45 |
Keio University
| 4 years |
| Keinosuke Ono | M | 83 |
Keio University
| 3 years |
| Kensaku Mizutani | M | 50 |
Keio University
| 6 years |
| Koichi Kajima | M | 54 |
Keio University
| 6 years |
| Tsuneo Yahagi | M | 82 |
Keio University
| - |
| Kengo Nagahashi | M | 46 |
Keio University
| 6 years |
| Setsu Kobayashi | M | 75 |
Keio University
| 3 years |
| Sayuri Shirai | M | 61 |
Keio University
| 6 years |
| Daisuke Shimizu | M | 40 |
Keio University
| 4 years |
| Takefumi Nishikawa | M | 53 |
Keio University
| 3 years |
| Katsushi Sakurai | M | - |
Keio University
| 4 years |
| Shun Ishikawa | M | - |
Keio University
| 4 years |
| Kotaro Chiba | M | 50 |
Keio University
| 4 years |
| Taishiro Fujinaga | M | - |
Keio University
| 4 years |
| Mayu Okamoto | F | - |
Keio University
| 4 years |
| Hideto Oomi | M | 58 |
Keio University
| 4 years |
| Katsuhiko Ushikubo | M | 53 |
Keio University
| 4 years |
| Takaaki Abe | M | - | - | |
| Tomoyuki Monden | M | 47 |
Keio University
| 2 years |
| Stéphane Rousset | M | - | 2 years | |
| Steven van Hoorebeke | M | - | - | |
| SHUN NAGAO | M | - |
Keio University
| 5 years |
| Kazuo Miyata | M | 69 | - | |
| Makoto Murakami | M | 71 | - | |
| Kazuma Sekiya | M | 58 |
Keio University
| 4 years |
| Kensuke Noda | M | - |
Keio University
| 4 years |
| Kazuhiko Ogawa | M | - | 7 years | |
| Takato Noda | M | - | - | |
| Atsuhisa Takahashi | M | - | - | |
| Yuichiro Takenaka | M | 49 |
Keio University
| 4 years |
Statistics
| Country | Connections | % of total |
|---|---|---|
| Japan | 100 | 100.00% |
Age of Connections
Active
Past
Male
Female
Members of the board
Executives
Origin of connections
- Stock Market
- Insiders
- Ryosei Kokubun
- Personal Network
