<div class="page-title category-title">
       <h1><?php echo $_category->getName(); ?></h1>
   </div>

<?php
if (Mage::registry('current_category')) {
    echo Mage::registry('current_category')->getName();
}
else {
    $categoryIds = $_product->getCategoryIds();
    if (count($categoryIds)) {
        $firstCategoryId = $categoryIds[0];
        $_category = Mage::getModel('catalog/category')->load($firstCategoryId);

        echo $_category->getName();
    }
}
?>

<?php if($_category instanceof Mage_Catalog_Model_Category): ?>
    <div class="page-title category-title">
       <h1><?php echo $_category->getName(); ?></h1>
    </div>
<?php endif; ?>

<div class="page-title category-title">
    <h1>
    <?php if ($_category instanceof Mage_Catalog_Model_Category) : ?>
        <?php echo $_category->getName(); ?>
    <?php endif; ?>
    </h1>
</div>

<?php $_category = Mage::registry('current_category'); ?>

<?php if($_category instanceof Mage_Catalog_Model_Category && $_category->getId()): ?>
    <div class="page-title category-title">
       <h1><?php echo $_category->getName(); ?></h1>
    </div>
<?php endif; ?>

$categoryIds = $_product->getCategoryIds();

        if(count($categoryIds) ){
            $firstCategoryId = $categoryIds[0];
            $_category = Mage::getModel('catalog/category')->load($firstCategoryId);

            echo $_category->getName();
        }

<div class="page-title category-title">

       <h1><?php if (Mage::registry('current_category')) {

       $_category=Mage::registry('current_category');
      echo $_category->getName();
     } ?>
</h1>