* Dollar bears might be trapped by U.S. inflation data

* USD/JPY's biggest gain since Nov, close above cloud, bullish

* Spot could rise to tackle upside offers 110.00, some from option players

* Bids from shorts caught on Wed's surge trail down to the 109.00 level

* Thickening daily Ichimoku cloud now spans the 107.28-109.48 region

* USD/JPY has seen a 109.48-109.78 range on Thursday, according to EBS prices

* USD/JPY, EUR/JPY 30-day log correlation under +0.5, weak relationship

(Martin Miller is a Reuters market analyst. The views expressed are his own) ((martin.miller@thomsonreuters.com))