Osamu Koyama
Director/Board Member at ASAHI DIAMOND INDUSTRIAL CO., LTD.
Active connections
| Name | Gender | Age | Linked companies | Collaboration |
|---|---|---|---|---|
| Kazuki Kataoka | M | 72 | 48 years | |
| Hideo Abe | M | 66 | 44 years | |
| Toshimasa Hagiwara | M | 64 | 42 years | |
| Ming-Shong Lan | M | 71 | 19 years | |
| Yuko Ichikawa | F | 53 | 3 years | |
| Kazuaki Taniguchi | M | 74 | 51 years | |
| Junichi Matsuda | M | 63 | 38 years | |
| Masami Koura | M | - | - | |
| Tomohiko Hara | M | 66 | 44 years | |
| Morio Kayama | M | 69 | 14 years | |
| Eriko Kawajiri | F | 48 | - | |
| Tsutomu Yokose | M | 63 |
International University of Japan
| 13 years |
| Hideki Matsukawa | M | - | - | |
| Akira Takiguchi | M | - | - | |
| Osami Imoto | M | - | - | |
| Takao Okouchi | M | - | - | |
| Masaru Onishi | M | 69 |
International University of Japan
| 9 years |
| Takemi Matsuzaki | M | 62 | 39 years |
See more
Connections Chart
Multi-company connection
Former connections
| Name | Gender | Age | Linked companies | Collaboration |
|---|---|---|---|---|
| Takeo Okui | M | 74 | 35 years | |
| Masakatsu Mori | M | 77 |
International University of Japan
| 5 years |
Statistics
| Country | Connections | % of total |
|---|---|---|
| Japan | 20 | 100.00% |
Age of Connections
Active
Past
Male
Female
Members of the board
Executives
Origin of connections
- Stock Market
- Insiders
- Osamu Koyama
- Personal Network