Prices as of 2026/10/30 close
Company comparison · Superabsorbent Polymers
Sumitomo Seika is the bigger company, with revenue of ¥148.4B — 1.2x Sanyo Chemical's ¥127.9B.
Sumitomo Seika earns more on each yen of sales, with an operating margin of 9.7% — 1.9 points above Sanyo Chemical (7.8%).
Revenue growth in the latest results: Sumitomo Seika +0.5%, Sanyo Chemical −10.1%.
Sanyo Chemical pays more on average — ¥8.22M against ¥6.85M at Sumitomo Seika.
Over the past year the shares moved Sumitomo Seika +55.1%, Sanyo Chemical +53.5%.
Head-to-head wins15 metrics
One win per metric for the company with the best value. Metrics with no better or worse (P/E, average age, employees) are excluded.
ScaleInvestors
Sumitomo Seika aheadSumitomo Seika 2 : Sanyo Chemical 1
Revenue: Sumitomo Seika ¥148.4B / Sanyo Chemical ¥127.9B
ProfitabilityInvestors
EvenSumitomo Seika 2 : Sanyo Chemical 2
Operating margin: Sumitomo Seika 9.7% / Sanyo Chemical 7.8%
GrowthInvestors
Sumitomo Seika aheadSumitomo Seika 2 : Sanyo Chemical 0
Revenue growth (YoY): Sumitomo Seika +0.5% / Sanyo Chemical −10.1%
Stock & balance sheetInvestors
Sanyo Chemical aheadSumitomo Seika 1 : Sanyo Chemical 2
Share price, 1 year: Sumitomo Seika +55.1% / Sanyo Chemical +53.5%
Pay & workforceJob seekers
Sanyo Chemical aheadSumitomo Seika 0 : Sanyo Chemical 3
Average salary: Sumitomo Seika ¥6.85M / Sanyo Chemical ¥8.22M
| Metric | Sumitomo Seika | Sanyo Chemical | Gap |
|---|---|---|---|
| Revenue | ◎¥148.4B | ¥127.9B | 1.2x |
| Operating profit | ◎¥14.5B | ¥10.0B | 1.4x |
| Net income | ¥7.7B | ◎¥15.6B | 2.0x |
| Metric | Sumitomo Seika | Sanyo Chemical | Gap |
|---|---|---|---|
| Operating margin | ◎9.7% | 7.8% | 1.9pt |
| Net margin | 5.2% | ◎12.2% | 7.1pt |
| ROE | 7.8% | ◎10.6% | 2.8pt |
| Revenue per employee | ◎¥143M | ¥101M | 1.4x |
| Metric | Sumitomo Seika | Sanyo Chemical | Gap |
|---|---|---|---|
| Revenue growth (YoY) | ◎+0.5% | −10.1% | 10.6pt |
| Operating profit growth (YoY) | ◎+35.0% | +18.6% | 16.4pt |
| Guidance: revenue growthnext FY plan | — | +17.3% | |
| Guidance: op. profit growthnext FY plan | — | −0.1% |
| Metric | Sumitomo Seika | Sanyo Chemical | Gap |
|---|---|---|---|
| Share price, 1 year | ◎+55.1% | +53.5% | 1.6pt |
| Share price, 3 months | +19.0% | ◎+32.1% | 13.0pt |
| P/E (trailing)lower = cheaper | 12.4x | 2.3x | |
| Equity ratio | 67.8% | ◎83.1% | 15.3pt |
| Share price (close) | ¥1,458 | ¥1,593 |
◎ marks the best value for each metric. Revenue and profit are from the latest full-year earnings release; share prices are closing-price references; P/E = latest close ÷ trailing EPS. For banks and some other financials, revenue means ordinary income.
| Metric | Sumitomo Seika | Sanyo Chemical | Gap |
|---|---|---|---|
| Average salary | ¥6.85M | ◎¥8.22M | ¥1.37M |
| Starting salary (monthly) | ¥255,000 | ◎¥300,300 | ¥45,300 |
| Average tenure | 15.6 yrs | ◎18.6 yrs | 3.0 |
| Average age | 38.5 | 42.9 | 4.4 |
| Employees | 1,038 | 1,267 | 1.2x |
Average salary is for the reporting (parent) company and is affected by average age and job mix. Holding companies with few employees are left out of the salary comparison.
Close (Oct 30, 2026)
¥1,458+55.1% (1Y)
Sumitomo Seika +55.1% over 1Y. Compared: Sanyo Chemical +53.5%.
Reference chart of daily closing prices, not real-time quotes (split-adjusted; weekly closes before the last year). Each line shows the % change from the start of the period. Updated Oct 30, 2026.
Sumitomo Seika3 segments
Sanyo Chemical5 segments
AAverage annual salary from the securities filings: Sanyo Chemical ¥8.22M, Sumitomo Seika ¥6.85M. Sanyo Chemical pays the most. Averages also depend on staff age and job mix, so check the average age too (Sumitomo Seika 38.5, Sanyo Chemical 42.9).
ARevenue in the latest results: Sumitomo Seika ¥148.4B, Sanyo Chemical ¥127.9B. Sumitomo Seika is the bigger company, with revenue of ¥148.4B — 1.2x Sanyo Chemical's ¥127.9B.
AOperating margins: Sumitomo Seika 9.7%, Sanyo Chemical 7.8%. Sumitomo Seika turns the highest share of sales into operating profit.
AShare price change over the past year (closing prices, for reference): Sumitomo Seika +55.1%, Sanyo Chemical +53.5%. Sumitomo Seika has risen the most.
Comparing 2 companies (up to 4)
Sources: earnings releases (kessan tanshin), annual securities reports and other public information. Share prices are closing-price references, not real-time. Our data may contain errors; investment decisions are your own responsibility.
