Patent ID: 7810895

Claim:
An ink jet recording head configured to perform recording by discharging at least two types of ink onto a recording medium while scanning the recording medium, comprising: a first discharge port group and a second discharge port group each arranged in a row and configured to discharge a first ink; and a third discharge port group and a fourth discharge port group configured to discharge a second ink of a type different from the first ink; wherein the fourth discharge port group discharges a minimum amount of the second ink and the third discharge port group discharges a maximum amount of the second ink, wherein the second discharge port group discharges a minimum amount of the first ink and the first discharge port group discharges a maximum amount of the first ink, wherein the fourth discharge port group discharges from each discharge port an amount of ink at a time that is smaller than from each discharge port of the first discharge port group, and discharges an amount of ink at a time that is larger than from each discharge port of the second discharge port group, and wherein the second ink has the brightest color value among the inks to be discharged from the ink jet recording head.