Financial Highlights

Millions of yen

Thousands of
U.S. dollars (Note)

  2016.12 2017.12 2018.12 2019.12 2020.12 2020.12
Net sales ¥150,406 ¥130,446 ¥124,967 ¥138,982 ¥140,110 $1,353,720
Operating income 38,496 14,050 11,641 17,294 18,484 178,595
Net income 28,065 10,376 9,570 12,254 15,240 147,250
Research and development expenses 31,911 38,443 34,064 36,501 37,328 360,656
R&D ratio to net sales (%) 21.20% 29.50% 27.30% 26.30% 26.60% 26.60%
Total assets ¥398,603 ¥391,757 ¥388,655 ¥410,000 ¥404,178 $3,905,110
Net assets 366,311 363,835 363,613 354,032 357,106 3,450,306
Employees 2,436 2,410 2,416 2,337 2,246 2,246
Note:U.S. dollar amounts are translated from yen, for convenience only, at the rate of \103.50=US$1, the approximate exchange rate at December 31,2020